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Chapter 8: Heredity

Heredity and Genetics

TermDefinition
heredity the passing of characters from parents to offspring
genetics the branch of biology that focuses on heredity
allele different versions of a gene
dominant the expressed form of a character, capital letter (A)
recessive the trait that was not expressed when the dominant form of the character was present, small letter (a)
homozygous the two alleles of a particular gene present in an individual are the same (AA, aa)
heterozygous the alleles of a particular gene present in an individual are different (Aa)
genotype the set of alleles that an individual has for a character, the letters
phenotype the physical appearance of a character, what does the character look like
incomplete dominance an individual displays a phenotype that is intermediate (in the middle) between the two parents
codominance both forms of the character are displayed
Created by: jyoung271