NEET 2008 Biology question

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

(1)All mutations, whether dominant or recessive are expressed in haploidsCorrect
(2)Haploids are reproductively more stable than diploids
(3)Mutagens penetrate in haploids more effectively than diploids
(4)Haploids are more abundant in nature than diploids

Answer: (1)

Solution

A haploid cell has only one allele (one set of chromosomes) for each gene, so any mutation, dominant or recessive, is immediately expressed in the phenotype; in a diploid a recessive mutation is masked by the dominant

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Question ID VK-090054