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Chapter 11 Lesson 2

Vocabulary Words

TermDefinition
Gene a section on a chromosome that has genetic information for one trait
Alleles the different forms of a gene
Phenotype geneticists call how a trait appears, or is expressed
Genotype the tow allelesthat control the phenotype of a trait
Homozygous when the tow alleles of a gene are the same
Heterozygous the two alleles of a gene are different
Punnett Square a model used to predict possible genotypes and phenotypes of offspring
Incomplete Dominance when the offspring's phenotype is a combination of the parents' phenotypes
Codominance when both alleles can be observed in a phenotype
Polygenic Inheritance when multiple genes determine the phenotype of a trait
Created by: clarktra7805