In oats, rust resistance dominates over susceptibility (a) to this disease. What will be the genotypes of hybrids in F1 from crossing a rust-susceptible oat (female) with a homozygous resistant plant (male)?
1. Genotypes of parents: aa, AA.
2. Genotypes of offspring in the first generation: Aa – resistant to rust.
Answer: female – aa, male – AA, F1 – Aa.
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