NEET Biology question

Haploids are more suitable for mutation studies than the diploids. This is because

(A)Haploids are reproductively more stable than diploids
(B)Mutagens penetrate in haploids more effectively than in diploids
(C)Haploids are more abundant in nature than diploids
(D)All mutations whether dominant or recessive are expressed in haploidsCorrect

Answer: (D)

Solution

In a haploid cell, there is only a single copy of each gene, so any induced mutation — whether it would be dominant or recessive in a diploid — is immediately expressed in the phenotype of the mutagen-treated generation itself, since there is no second (wild-type) allele to mask it; this makes haploids especially

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Question ID VK-119818