Download Genetics Flex Vocabulary* Heterozygous Organisms that have two

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Genetics Flex Vocabulary* Heterozygous Organisms that have two different alleles for the same trait (Tt) Homozygous Organisms that have two identical alleles for a particular trait (TT or tt) Codominance A cross between organisms with two different phenotypes produces offspring with a third phenotype that is a blending of the parental traits (Red + White = Pink) Incomplete Dominance A cross between organisms with two different phenotypes produces offspring with a third phenotype in which both of the parental traits appear together. (Red + White = Red & White spotted) Gregory Mendel An Austrian monk/scientist credited for groundbreaking work in the study of genetics using pea plants Mutation A change in the nucleotide­base sequence of a gene or DNA molecule. It can sometimes change the “message” of the DNA code Pedigree A diagram that shows the occurrence of a genetic trait in several generations of a family.
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