different forms of a gene
person who has one recessive allele for a trait, but does not have the trait
both alleles for a gene are fully expressed in the heterozygous condition (such as strips or patches of two colors)
fusion of sperm and egg derived from two different individuals
cross applied to two characteristics with four alleles
trait that is expressed in a heterozygous genotype
offspring of the P generation; first filial generation
offspring of the F1 generation; second filial generation
branch of biology that studies heredity and variation in organisms
organism's genetic makeup, or allele combinations
having two different alleles for a trait; hybrid
having two identical alleles for a trait; pure or true-breeding
offspring of crosses between parents with different traits
continued breeding of individuals with similar characteristics
creates a blended phenotype; one allele is not completely dominant over the other
cross applied to a single characteristic with two alleles
parental generation, the first two individuals that mate in a genetic cross
family tree representing the occurrence or heritable traits in parents and offspring across generations
physical traits that appear in an individual as a result of its gentic make up.
chart that shows all the possible combinations of alleles that can result from a genetic cross
trait that is hidden in a heterozygous genotype
fusion of sperm and egg produced by the same individual organism
gene located on the X or Y chromosome
real life cross between an organism whose genotype for a dominant trait is unknown and an organism that is homozygous recessive for that trait
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