A homozygous black seed was crossed with a white seed. Identify the offspring resulting from crossing such
| December 19, 2020 | education
A homozygous black seed was crossed with a white seed. Identify the offspring resulting from crossing such a hybrid with a white-seeded parent plant (black dominates over white).
Given:
A-black seeds
a-white seeds
♀️-AA
Find: F1 and F2
Decision:
P: ♀️AA * ♂️aa
G: A * a
F1: Aa (100% – all black seeds)
P: ♀️Aa * ♂️aa
G: A a * a
F2: Aa (50% -seeds)
aa (50% – white-seeded)
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