UNIT 7 BIOLOGY—Elizabeth Hightower Crossword

When a dominant allele doesn’t completely mask the effect of a recessive allele in the organisms appearance
the scientific study of heredity
the passing on of traits from parents to offspring
genetically determined characteristic
all outside forces that act on an organism
one of two or more different forms of a gene
Describes both alleles that an organism has for a gene
allele whose trait is displayed if present
allele whose trait is not displayed, unless dominant allele is not present (must have 2 copies of recessive allele)
genotype in which both alleles are the same
genotype in which the two alleles are different
diagram that is used to predict the genotypes of a particular cross or breeding experiment
Describes the trait displayed by the organism
haploid reproductive sex cells, have only one allele of each gene
cross analyzing the probability of inheriting two traits at the same time for two heterozygous organisms
when both alleles for a gene are expressed in a heterozygous genotype
a trait that is determined by a gene found on one of the sex chromosomes, such as the X chromosome the Y chromosome in humans
a person that has inherited a recessive allele for a genetic trait or mutation but usually does not display that trait or show symptoms of the disease
a characteristic that is controlled by many different genes
the interaction between two or more genes to control a single phenotype
A diagram showing the lineage or genealogy of an individual and all the direct ancestors, usually to analyze or follow the inheritance of a trait
the likelihood that a specific event will occur
always produced offspring identical to the parent
a form of a characteristic that can be passed from parent to offspring Characteristic, a heredity quality of an organism
when pollen (sperm) from a plant fertilizes an egg on the same plant
when pollen from one plant fertilizes an egg on another plant