A) Haploids are reproductively more stable than diploids.
B) Mutagens penetrate in haploids more effectively than diploids.
C) Haploids are more abundant in nature than diploids.
D) All mutations, whether dominant or recessive are expressed in haploids.
Correct Answer: D
Solution :
[d] Haploid describes a nucleus cell or organism with a single set of unpaired chromosomes. The haploid number is designated as X. Reproductive cells, formed as a result of meiosis are haploid. Fusion of two such cells restores the normal diploid number. Therefore, haploids are more suitable for studies of mutation than the diploids. This is because all mutations, whether dominant or recessive are expressed in haploids.
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