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CP Mendel

Mendel F14

QuestionAnswer
allele an alternative form of a gene
autosome A chromosome that is not directly involved in determining gender
carrier An individual who is heterozygous for a recessive gene that predisposes for a hereditary disease.
codominant phenotypic situation in which both alleles are expressed in the heterozygote.
crossing over The exchange of genetic material during prophase I.
dominant trait that is expressed when its allele is homozygous or heterozygous.
F1 generation resulting immediately from a cross of the first set of parents
F2 generation the result of a cross between two F1 individuals
gene The genetic information in the chromosomes that determines a trait
gene mutation A changed gene. A trait that is not found in the parent.
genetic variation Characteristic of an organism that makes it different from the species.
genetics The study of the patterns of inheritance of specific traits.
genotype The combination of or genes that represent a particular trait.
heterozygous Having two different alleles for a specific trait.
homologous chromosomes chromosomes that are similar in shape, size, and the genes they carry.
homozygous 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
independent assortment Mendel's second law, stating that each allele pair segregates independently during gamete formation
Created by: nbctbio