Science
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all of our genetic material
DNA
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two recessive alleles
homozygous recessive
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inheriting the same allele from each parent (AA, aa)
homozygous
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gene version that covers another gene version
dominant allele
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organisms "genes" the alleles they inherit
genotype
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organism's physical appearance (brown hair, black hair, blonde hair)
phenotype
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circle is female, square is male,shaded means they all have the trait, horizontal lines mean marriage/reproduction, vertical lines mean offspring
pedigrees