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an alternative form of a gene
A chromosome that is not directly involved in determining gender
An individual who is heterozygous for a recessive gene that predisposes for a hereditary disease.
phenotypic situation in which both alleles are expressed in the heterozygote.
The exchange of genetic material during prophase I.
trait that is expressed when its allele is homozygous or heterozygous.
resulting immediately from a cross of the first set of parents
the result of a cross between two F1 individuals
The genetic information in the chromosomes that determines a trait
A changed gene. A trait that is not found in the parent.
Characteristic of an organism that makes it different from the species.
The study of the patterns of inheritance of specific traits.
The combination of or genes that represent a particular trait.
Having two different alleles for a specific trait.
chromosomes that are similar in shape, size, and the genes they carry.
Having two of the same alleles for a specific trait.
incomplete dominance –
neither allele is dominant; a blending of the two create a new phenotype
Mendel's second law, stating that each allele pair segregates independently during gamete formation