AIPMT PRELIMS 2006 Botany Mendelian Inheritance MCQ Question
In Mendel's experiments with garden pea, round seed shape (RR) was dominant over wrinkled seeds (rr), yellow cotyledon (YY) was dominant over green cotyledon (yy). What are the expected phenotypes in the F₂ generation of the cross RRY Y × rry y?
Only round seeds with green cotyledons
Only wrinkled seeds with yellow cotyledons
Only wrinkled seeds with green cotyledons
Round seeds with yellow cotyledons and wrinkled seeds with yellow cotyledons
Correct Answer
Detailed Explanation
In the F₂ generation, the expected phenotypes are round seeds with yellow cotyledons and wrinkled seeds with yellow cotyledons due to the dominance of round shape and yellow cotyledon.
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