NEET Biology question

Mendel studied the inheritance of seven pairs of traits in pea, which can have 21 possible pairwise combinations. If you are told that in one of these combinations, independent assortment is not observed in later studies, your reaction will be

(A)Independent assortment principle may be wrong
(B)Mendel might not have studied all the combinationsCorrect
(C)It is impossible
(D)Later studies may be wrong

Answer: (B)

Solution

Modern chromosome mapping shows that Mendel's seven genes actually lie on only four of pea's seven chromosomes, meaning some of his genes are, in fact, physically linked (not truly independently assorting) — yet Mendel's published results showed clean independent assortment, likely because he did not test every one of

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Question ID VK-120256