Type
Crossword
Description

Factors that control a trait Allele
A person's genetic makeup Genotype
A person's physical appearance Phenotype
A change in a gene or chromosome Mutation
A chart that tracks which members of a family have a particular trait Pedigree
A picture of all the chromosomes in a cell Karyotype
An organism that has the same genes as the organism it was produced from Clone
Breeding two individuals with similar traits Inbreeding
Same alleles for a single trait Homozygous
Different alleles fo a single trait Hetrozygous
The science behind heredity Genectics
The chance of something occuring Probability
When two alleles are equal and present in both the phenotype and genotype of an organism Codominance
A chart that shows all the possible combinations of two genotypes Punnet Square
The process that produces 4 sex cells Meiosis
Breeding two individuals with different traits Hybridization
Moving healthy genes into cells to replace missing or abnormal genes in order to correct a genetic disorder Gene therapy
A genetic problem caused by an issue in an organism's genes Genetic disorder
A trait controlled by three or more alleles is said to have ________________ Multiple alleles
Choosing two organisms with desired traits to be bred Selective breeding

Genetics Vocabulary Crossword

Type
Crossword
Description

The passing of traits from parents to offspring heredity
A characteristic that an organism can pass on to its offspring through its genes. trait
Scientific study of heredity genetics
Augustinian monk and botanist whose experiments in breeding garden peas led to his eventual recognition as founder of the science of genetics (1822-1884) Mendel
A segment of DNA on a chromosome that codes for a specific trait gene
Alternative forms of a gene for each variation of a trait of an organism allele
a genetic factor that blocks another genetic factor dominant trait
A condition that appears only in individuals who have received two copies of a mutant gene, one copy from each parent recessive trait
The likelihood that a particular event will occur probability
A diagram for predicting the allele composition of offspring from a cross between individuals of known genetic makeup. punnett square
An organism that has two different alleles for a trait heterozygous
An organism that has two identical alleles for a trait homozygous
An organism's genetic makeup genotype
An organism's physical appearance, or visible traits. phenotype
These are found in every cell. contained with them is DNA. Located on theme are genes. chromosomes

Genetics Crossword Puzzle

Type
Crossword
Description

a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring Genes
pairs of chromosomes that have similar genetic information Homologous Chromosomes
sex cells Gametes
determine sex or gender Sex chromosomes
determine all traits except gender Autosomes
having a single set of unpaired chromosomes Haploid
containing two complete sets of chromosomes, one from each parent Diploid
Cell division process that forms gametes Meiosis
genetically determined characteristics Traits
a genetic cross between a homozygous recessive individual and a corresponding suspected heterozygote to determine the genotype of the latter Testcross
Organisms inherit two copies of each gene, one from each parent. Organisms donate only one copy of each gene in their gametes Law of segregation
one of a pair of genes that appear at a particular location on a particular chromosome and control the same characteristic Allele
the genotype of an individual with 2 recessive of dominant alleles Homozygous
the genotype of an individual with one dominant and one recessive allele Heterozygous
genetic makeup of an individual Genotype
determines the physical appearance of an individual Phenotype
the more powerful gene Dominant
the less powerful gene Recessive
a grid system that is used to predict all possible genotypes resulting from a cross Punnett squares
uses a Punnett Square to observe the possible outcomes and probablilities for one trait Monohybrid cross
uses a Punnett Square to observe the possible outcomes and probabilities for two traits Dihybrid cross
allele pairs seperate independently of each other during gamete formation Law of independent assortment
the extent to which an event is likely to occur Probability
the exchange of chromosome segments between homologous chromosomes Cross over
genes that are closer together on the chromosome are more likely to be inherited together Genetic linkage
a person or other organism that has inherited a recessive allele for a genetic trait or mutation but does not display that trait or show symptoms of the disease Carrier
genes located in the sex chromosome Sex linked genes
the phenotype is somewhere between the two traits Incomplete dominance
both traits are fully expressed Codominance
traits that are controlled by a group of nonallelic genes Polygenic traits
ancestral lines or charts depicting the lineage or descent of an individual Pedigrees

Heredity and Genetics Crossword

Type
Crossword
Description

a distinguishing quality or characteristic trait
the offspring of two organisms with different forms of the same traits hybrid
trait that is blocked by the presence of a dominant factor recessive
a section of a chromosome that has genetic information for one trait gene
the two alleles that control the phenotype of a trait genotype
When the allele for a trait is on an X or Y sexlinked
when the two alleles of a gene are the same homozygous
when the two alleles of a gene are different heterozygous
a model used to predict possible genotypes and phenotypes of offspring Punnettsquare
the passing of traits from parents to offspring heredity
the study of how traits are passed from parents to offspring genetics
trait that blocks another genetic factor dominant
thread-like structures located inside the nucleus of cells that contain the genetic information that controls traits chromosome
different forms of the same genes alleles
how a trait appears or “is expressed” phenotype
when the offspring’s phenotype is a combination of the parent’s phenotypes incompletedominance
when both alleles can be observed in a phenotype codominance
deoxyribonucleic acid – an organism’s genetic material DNA
a molecule with a nitrogen base, a sugar, and a phosphate group nucleotide

Mendelian Genetics Crossword

Type
Crossword
Description

mating between two individuals with different alleles for one trait Monohybrid Cross
specific characteristic of an organism Trait
a variant form of a gene Allele
cross between two different alleles that differ in two observed traits Dihybrid Cross
an organism that passes down certain phenotypic traits to its offspring True-breeding
the generation resulting immediately from a cross of the first set of parents F1 Generation
process of interbreeding individuals from genetically distinct populations Hybridization
any observable feature Character
parental generation P Generation
result of a cross between two F1 individuals F2 Generation
determines the appearance Dominant Allele
diagram used to predict an outcome of a particular cross or breeding experiment Punnett Square
hybrid that is heterozygous for alleles of two different genes Dihybrids
during the production of gametes the two copies of each hereditary factor separate so that offspring acquire one factor from each parent Law of Segregation
no effect on appearance Recessive Allele
genes where one is dominant and one is recessive Heterozygous
set of observable characteristics of an organism Phenotype
a hybrid that is heterozygous with respect to a specified gene Monohybrids
pair of matching alleles for a trait Homozygous
genetic cross between a homozygous recessive individual and corresponding heterozygote to determine the heterozygote’s genotype (PP x pP) Testcross
genetic constitution of an individual organism Genotype
mating between two individuals with different alleles for one trait Monohybrid Cross
variation in hereditary factors for independent characteristics Indept. Assortment

Genetic Terms Crossword

Type
Crossword
Description

A genetically determined characteristic or condition. Trait
Of or relating to an animal, all of whose ancestors derive over many generations from a recognized breed. Purebred
The offspring of two animals or plants of different breeds, varieties, species, or genera, especially as produced through human manipulation for specific genetic characteristics. Hybrid
The appearance of an organism resulting from the interaction of the genotype and the environment. Phenotype
The genetic makeup of an organism or group of organisms with reference to a single trait, set of traits, or an entire complex of traits. Genotype
Having identical pairs of genes for any given pair of hereditary characteristics. Homozygous
Having dissimilar pairs of genes for any hereditary characteristic. Heterozygous
Of or relating to two different alleles that are fully expressed in a heterozygous individual. codominant
A single-stranded molecule of RNA that is synthesized in the nucleus from a DNA template and then enters the cytoplasm, where its genetic code specifies the amino acid sequence for protein synthesis. Messenger RNA
A small RNA molecule, consisting of a strand of nucleotides folded into a clover-leaf shape, that picks up an unattached amino acid within the cell cytoplasm and conveys it to the ribosome for protein synthesis. Transfer RNA
A sudden departure from the parent type in one or more heritable characteristics, caused by a change in a gene or a chromosome. Mutation
A chromosome, differing in shape or function from other chromosomes, that determines the sex of an individual. sex chromosome
Any of several forms of a gene, usually arising through mutation, that are responsible for hereditary variation. Allele
The union of male and female gametic nuclei. Fertilization
The chromosomes of a cell, usually displayed as a systematized arrangement of chromosome pairs in descending order of size. Karyotype
The mating of closely related individuals, as cousins, sire-daughter, brother-sister, or self-fertilized plants, which tends to increase the number of individuals that are homozygous for a trait and therefore increases the appearance of recessive traits. Inbreeding
In genetics, a type of grid used to show the gametes of each parent and their possible offspring; a type of grid that can indicate all the possible outcomes of a genetic cross Punnet Square
The passage of biological traits or characteristics from parents to offspring through the inheritance of genes. Heredity
An organism that carries a gene for a trait but does not show the trait itself. Carriers can produce offspring that express the trait by mating with another carrier of the same gene. Carrier
A genealogical table, chart, list, or record, especially of a purebred animal. Pedigree

life science Crossword

Type
Crossword
Description

a german scientist who founed the science of genetics Gregor Mendel
a charactaeristic that an organism can pass to offspring through genetics trait
the passingof traits from parents to offspring heredity
the scientific study of heredity genetics
An organism that always produces offspring with the same traits Purebred
An segment of DNA on a chromosome that codes for a specific trait Gene
the different form of genes Allele
An Allele who trait always show up in the organism Dominat Allele
An allele is masked when a dominat allele is present Recessive Allele
An organism that has two different alleles for a trait Hybrid
the likelihood that a paerticular event would occur Probabiltity
a chart that shows all the possible combinations that can occur in a genetic cross Punnet Square
An Organism's physical apperance Phenotype
An organism's genetic makeup or allele combinations Genotype
Having two identical alleles for a trait Homozygous
having two different different alleles for trait heterozygous
a condition when neither of the two different alleles for a trait codominance
THe Process that occurs in sex cells by which the number of chromosomes are reduced Mieosis
That Copies the coded message Messenger RNA
RNA in the cytoplasm that carries an amino Transfer RNA
Chromosomes involved with determining the sex of an organism Sex Chromosomes
Three or more forms of a gene that code for a single trait Multiple Allele
A gene that is carried on the X or Y chromosome Sex linked gene
A person with an rescue allele Carrier
a family tree that tracks traits Pedigree
A change in gene or chromosome Mutation
A technique to exchange animal fluid Aminocentis
A picture of all the chromosomes in a cell Karotype
An organism that is gentically the identical Clone

genetics Crossword

Type
Crossword
Description

the study of genes Genetics
passing down of traits Heredity
type of cell division that reduces the chromosome number by half meiosis
the union of a human egg and sperm fertilization
a eukaryotic cell formed by a fertilization zygote
is a packaged and organized structure containing most of the DNA of a living organism chromosome
A couple of homologous chromosomes homologous pair
a locus (or region) of DNA that encodes a functional RNA gene
the specific location or position of a gene, DNA sequence, on a chromosome locus
a distinguishing quality or characteristic trait
a mature haploid male or female germ cell that is able to unite with another of the opposite sex gamete
trait passed on allele
(of a cell containing two complete sets of chromosomes, one from each parent. diploid
a cell having a single set of unpaired chromosomes. haploid
refers to a pair of genes where one is dominant and one is recessive (ex.Tt) heterozygous
When an individual has two of the same allele, whether dominant or recessive, they are homozygous. (Ex.TT,tt) Homozygous
an animal bred from parents of the same breed or variety. pure breed
the offspring of two plants or animals of different species or varieties, such as a mule (a hybrid of a donkey and a horse). hybrid
first filial generation of offspring of distinctly different parental types. F1 generation
the offspring produced by interbreeding individuals of an F1 generation F2 generation
traits seen when a heterozygous genotype is present. dominant
a gene that gets dominated over by a dominant gene. recessive
The observable physical characteristic of a living thing phenotype
makes ups the cell and give someone or something it characteristics genotype
refers to a situation where neither allele dominates over the other allele creating a new phenotype incomplete dominance
when someone or something has two traits but only the dominant trait shows codominance
the gene that is carried only on the XX or XY genotype sex-linked traits
the cross of two individuals with two completely different alleles monohybrid cross
a diagram used to predict an outcome or cross breeding punnet square

genetics review Crossword

Type
Crossword
Description

passing of traits from parents to offspring heredity
an organism with two different alleles for a trait hybrid
a factor that controls traits gene
a physical characteristic of an organism, ex. eye color trait
an allele whose trait always shows up in the organism dominant
each different form of a gene allele
the scientific study of heredity genetics
an allele whose trait is hidden in the presence of a dominant allele recessive
a type of organism whose offspring of many generations have the same form of a trait purebred
a number describing how likely an event is probability
an organism that has two identical alleles for a trait homozygous
an organism's physical appearance phenotype
an organism's genetic makeup genotype
an organism that has two different alleles for a trait heterozygous
process that produces sex cells meiosis
genes are passed from parents to offspring on these chromosomes
DNA replication takes place in the _____ nucleus
a section of DNA within a chromosome that codes for a specific protein gene
a mass of cancer cells tumor
when a base pair of the gene is added, deleted, or substituted mutation

Genetic Terms Crossword

Type
Crossword
Description

A genetically determined characteristic Heredity
The set of information that controls a trait, a segment of DNA on a chromosome Gene
An inherited trait that results from the expression of the dominant allele over the recessive allele Dominant Trait
The production of new living organisms by combining genetic information from two individuals of different sexes Sexual reproduction
The reproductive process that involves only one parent and produces offspring identical to the parent.(cloning) Asexual Reproduction
The genetic constitution of an individual organism Genotype
The set of observable characteristics of an individual resulting from the interaction of its genotype with the environment Phenotype
A threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes Chromosomes
A type of cell division that results in four daughter cells each with half the number of chromosomes of the parent cell, as in the production of gametes and plant spores Meiosis
Deoxyribonucleic acid is a molecule that carries most of the genetic instructions used in the development, functioning and reproduction of all know living organisms and many viruses DNA
A pair of parallel helices intertwined about a common axis, especially that in the structure of the DNA molecule Double Helix
The process by which humans use animals breeding and plant breeding to selectively develop particular phenotype traits Selective Breeding
The two twentieth-century biologists who discovered the double helix of DNA Waston and Crick
A genetically determined characteristic Trait
Is the phenotypic expression of an allele related to the sex chromosome of the individual Sex-linked genes
Having two different alleles for a trait Heterozygous
Different forms of a gene Allele
A cell with half of the normal chromosomes Haploid
Having two identical alleles for a trait Homozygous
A genetic trait that results from the expression of the two recessive alleles Recessive Trait
A tool to show all possible allelic combinations of gametes in a cross of parents with known genotypes in order to predict the probability of their offspring possessing certain sets of alleles Punnett square

Chapter 12 Genetics Crossword

Type
Crossword
Description

the passing of traits from parent to offspring heredity
specific characteristic that an organism can pass to its offspring through its genes trait
the scientific study of heredity genetics
the process in sexual reproduction in which an egg cell and a sperm cell join to form a new cell fertilization
an offspring of many generations that has the same form of a trait purebred
an offspring of crosses that has two different alleles for a trait hybrid
a sequence of DNA that determines a trait and is passed from parent to offspring gene
the different forms of a gene allele
an allele whose trait always shows up in the organism when the allele is present dominantallele
an allele that is hidden whenever the dominant allele is present recessiveallele
a number that describes how likely it is that a particular event will occur probability
chart that show all the possible combinations of alleles that can result from a genetic cross punnettsquare
an organisms physical appearance, or visible traits phenotype
an organisms genetic makeup, or allele combinations genotype
having two identical alleles for a particular gene homozygous
having two different alleles for a particular gene heterozygous
a situation in which one allele is not completely dominant over another allele incompletedominance
a situation in which both alleles for a gene are expressed equally codominance
three or more possible alleles of a gene that determine a trait multiplealleles
the inheritance of traits that are controlled by two or more genes such as height polygenicinheritance
the process that occurs in the formation of sex cells by which the number of chromosomes is reduced by half meiosis
method of breeding that allows only those organisms with desired traits to produce the next generation selectivebreeding
a selective breeding method in which two individuals with similar sets of alleles are crossed inbreeding
a selective breeding method that involves crossing different individuals to bring together the best traits from both parents hybridization
an organism that is genetically identical to the organism from which it was produced clone