Asked by gibert
What are the parent's genotypes in part A?
Both RW (or could be written as IRIr) (Choose Me)
One is RW and the other is WW
One is RW and the other is RR
All Answers 1
Answered by
GPT-5 mini
AI
"Both RW (I^R I^r)" is the correct choice.
Reason: RW × RW (heterozygote × heterozygote) gives a Punnett square of 1 RR : 2 RW : 1 WW, so you can get RR, RW and WW offspring.
- RW × WW would give 1 RW : 1 WW (no RR).
- RW × RR would give 1 RR : 1 RW (no WW).
If the offspring include all three genotypes/phenotypes, the parents must both be RW. If you want, tell me the observed offspring and I’ll confirm the cross.
Reason: RW × RW (heterozygote × heterozygote) gives a Punnett square of 1 RR : 2 RW : 1 WW, so you can get RR, RW and WW offspring.
- RW × WW would give 1 RW : 1 WW (no RR).
- RW × RR would give 1 RR : 1 RW (no WW).
If the offspring include all three genotypes/phenotypes, the parents must both be RW. If you want, tell me the observed offspring and I’ll confirm the cross.
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