AP Biology: Unit 5: Heredity

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Question 5 · Unit 5: Heredity · foundation

For a single gene with complete dominance, two heterozygous individuals (Aa x Aa) are crossed. Assuming equal segregation and no viability differences, what is the probability an offspring is aa?A. 0B. 1/4C. 1/2D. 3/4

Question 13 · Unit 5: Heredity · challenge

An individual heterozygous at two unlinked genes, AaBb, is test-crossed with aabb. With independent assortment and no viability differences, what fraction of offspring is expected to be Aabb?A. 1/16B. 1/4C. 1/2D. 3/4

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