Type
Crossword
Description

What is a large that performs important functions inside organisms? Protein Molecule
Genes are located on chromosomes inside the cell's....? Nucleus
These things provide instructions for building protein molecules Genes
A specific form of a gene that provides instructions for making a particular protein molecule Allele
Gene versions that are the same? Homozygous
Gene versions that are different? Heterozygous
A specific characteristic of an individual organism Trait
A long piece of DNA that contains many genes? Chromosome
The part of a cell where genes are found Nucleus
A type of molecule that genes and chromosomes are made of DNA
A characteristic that all members of a species have Feature
When a male and a female reproductive cell combine to create an offspring Fertilization
To receive genes from a parent Inherit
A random change to a gene that sometimes results in a new trait Mutation
A protein molecule that does not perform its function often because it does not connect to other proteins Nonfunctional protein
An organism produced as a result of reproduction Offspring
The parts of the cell that build protein molecules based on instructions from genes ribosomes
The way something is shaped or created Structure
Any difference in traits between individual organisms Variation

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

Genetics, Heredity, Asexual/Sexual Reproduction Crossword

Type
Crossword
Description

the weak gene form, not expressed if a dominant gene is present recessivetrait
rods or X-shaped structures made up of the DNA molecule chromosome
long, twisted strands of molecules that store genetic material DNA
a structure in cells that controls all cell activity and reproduction nucleus
a strong gene form, expressed even if a recessive gene is present dominanttrait
section of the DNA molecule that control/determines the traits of an organism gene
the inherited genes of organism usually represented by pairs of letters genotype
characteristics such as facial features, eye color, hair color, or height trait
the children or young that are a result of reproduction offspring
the smallest unit of a living organism that can perform life functions cell
the outward physical appearance of an organism phenotype
the transmission (passing) of traits from parents to offspring heredity
one parent organism produces uniform offspring asexualreproduction
reproduction resulting from 2 parents for diverse offspring sexualreproduction

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

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

Mitosis Crossword

Type
Crossword
Description

the process of a cell dividing into two new daughter cells cell division
type of reproduction in which cells from two parents unite to form the first cell of a new organism sexual reproduction
substance found in eukaryotic chromosomes that consists of DNA tightly coiled around histones chromatin
period of the cell cycle between cell divisions interphase
phase of mitosis in which the distinct individual chromosomes begin to spread out into a tangle of chromatin telophase
one of two identical “sister” parts of a duplicated chromosome Chromatid
phase of mitosis in which the chromosomes separate and move to opposite ends of the cell anaphase
process of reproduction involving a single parent that results in offspring that are genetically identical to the parent asexual reproduction
threadlike structure of DNA and protein that contains genetic information chromosome
series of events in which a cell grows, prepares for division, and divides to form two daughter cells cell cycle
phase of mitosis in which the chromosomes separate and move to opposite ends of the cell anaphase
part of eukaryotic cell division during which the cell nucleus divides mitosis
division of the cytoplasm to form two separate daughter cells cytokinesis
first and longest phase of mitosis in which the genetic material inside the nucleus condenses and the chromosomes become visible prophase
structure in an animal cell that helps to organize cell division centriole
phase of mitosis in which the chromosomes line up across the center of the cell metaphase

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

Cells Answer Key Crossword

Type
Crossword
Description

The basic building blocks of all living things. Cell
A group of similar cells that live and work together Tissues
A collection of tissues joined in a structural unit to serve a common function. Organ
A group of organs that work together to perform one or more functions. Organ System
An individual life form. Organism
Surrounds the cytoplasm of a cell and gives the cell structure and support. Cell Membrane
A gel-like substance inside the cell that contains all the cell parts and organelles. Cytoplasm
A group of tissues that work together to perform a specialized function or functions. Organelles
Molecules that contain all the genetic material and traits for each organism. DNA
Molecules are single stranded nucleic acids composed of nucleotides. RNA
A type of plastid that contains chlorophyll which is where photosynthesis takes place. Chloroplast
An organelle that modifies,sorts,and packs molecules and stores or sends it when needed. Golgi Complex
Often known as the "powerhouses" of the cell, this organelle generates energy for the cell through cellular respiration.​This means it takes in nutrients from the cell, breaks it down, and turns it into energy. Mitochondria
An organelle in both plant and animal cells that provides support and participates in a variety of cellular functions including storage, protection, and growth. Vacuole
Sacs of enzymes that digest food, water, and waste Lysosomes
Extensive network of membranes composed of both regions with ribosomes (rough ER) and regions without ribosomes (smooth ER). Endoplasmic Reticulum
Tiny structures bound by a membrane that contain enzymes that produce hydrogen peroxide as a by-product. Peroxisomes
The outermost covering of a cell that protects the cell and gives it shape & support. Cell Wall
Multicellular organism Eukaryote
Unicellular organism Prokaryote
Organisms made up of only one cell Unicellular Organisms
Organisms made up of two or more cells Multicellular Organisms
Chemical compound that contains carbon atoms. Organic Compound
Molecules that allow organisms to transfer genetic info from one generation to the next. There are two types of nucleic acids: DNA and RNA. Nucleic Acid
Consisting of RNA and proteins, they are responsible for protein production and assembly. Ribosomes
A substance made entirely of one type of atom. Element
The smallest unit of a substance that maintains the properties of that substance. Atom
Membrane bound structure that contains the cell's hereditary information and DNA. Also controls all of the cells activities. Nucleus
A membrane which surrounds the genetic material and nucleus in eukaryotic cells. Nuclear Membrane
A structure inside the cell nucleus that rewrites ribosomal RNA (rRNA) and combine it with proteins, results in the formation of incomplete ribosomes. Nucleolus
Tubelike structures that aid in cell division and Celiogenesis, are generally are found close to the nucleus Centrioles
A theory that descibes the basic characteristics of all cells and organisms. It is one if the foundational ideas of modern biology Cell Theory

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

Crossword: Reproduction Heredity

Type
Crossword
Description

Who was the "Father of Genetics" Gregor
What traits are controlled by Genes
What member of a gene pair is called Allele
What are human cells contain rod-shaped structures Chromosomes
What are chromosomes found in Nucleus
What are cells made up of DNA
Alleles can be dominant
Two parents make a Offspring
Passed from parents to offspring Hererdity
The offspring will receive a different combination
Genes are passed to us from our Parents
Genes are also exits in Pairs
two parents are called Sexual
1 parent is called Asexual
Sexual reproduction results in Diversity
a phenotype is an individual Physical
Determines a trait Genotype
trait that is visable Phenotype
A molecule in your body Cell
we are the next Evolution

Genetic engineering Crossword

Type
Crossword
Description

Refers to the direct manipulation of DNA to alter an organism’s characteristics in a particular way. genetic engineering
the set of observable characteristics of an individual resulting from the interaction of its genotype with the environment. phenotype
DNA Deoxyribonucleic acid
are composed of DNA, a molecule in the memorable shape of a double helix, a spiral ladder Gene
a hormone made by the pancreas that allows your body to use sugar from carbohydrates in the food that you eat insulin
basic unit of life cell
a genetic structure in a cell that can replicate independently of the chromosomes plasmid
a member of a large group of unicellular microorganisms that have cell walls but lack organelles and an organized nucleus, including some that can cause disease Bacterium
Technology based on Biology biotechnology
body's chemical messengers and are part of the endocrine system hormone
the complete set of genes or genetic material present in a cell or organism genome
The first company to focus on genetic engineering Genentech
An organism that is generated through genetic engineering genetically modified
Is a condition that is caused by an abnormality in an individual's DNA genetic disorders
biological preparation that provides active acquired immunity to a particular disease vaccine
Genetic engineering, sometimes called genetic __________. modification
Small infectious agent that replicates only inside the living cells of other organisms virus
a substance that is toxic to plants and is used to destroy unwanted vegetation herbicides
are essential to the functioning of our cells protein
A rod-shaped bacterium that is commonly found in the lower intestine of warm-blooded organisms e.coli
used to cut DNA into pieces molecular scissors
Like bacteria cell, but it has nucleus yeast cell
an enzyme produced chiefly by certain bacteria, having the property of cleaving DNA molecules at or near a specific sequence of bases restriction enzyme
a complex organic substance present in living cells, especially DNA or RNA, whose molecules consist of many nucleotides linked in a long chain nucleic acid
he passing on of physical or mental characteristics genetically from one generation to another heredity