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Term | Definition |
---|---|
heredity | the passing traits from parents to offspring |
genetics | the study of how traits are passed from parents to offspring |
dominant trait | a genetic factor that blocks another genetic factor |
recessive trait | a genetic factor that is blocked by the presence of a dominant factor |
gene | a section on a chromosome that has genetic information for one trait |
alleles | The different forms of a gene |
phenotype | how a trait appears or is expressed |
genotype | the two alleles that control the phenotype of a trait |
homozygous | When the two alleles of a gene are the same |
heterozygous | if two alleles are different |
punnett square | a model used to predict possible genotypes and phenotype of offspring |