If two homozygous recessive mutants show the same phenotype,but are caused by mutations at different loci,what will be the phenotype ratio among their F₁ progeny? A) 1 wild-type : 0 mutant B) 1 wild-type : 2 mutant C) 1 wild-type : 1 mutant D) 2 wild-type : 1 mutant E) 0 wild-type : 1 mutant

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When two homozygous recessive mutants with mutations at different loci are crossed, the F1 progeny will be heterozygous at both loci, resulting in a wild-type phenotype due to complementation.

If Two Homozygous Recessive Mutants Show the Same Phenotype,but Are