A) haploids are reproductively more stable than diploids
B) mutagenes penetrate in haploids more effectively than is 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 :
Haploid plants can be produced in large number by anther and ovary cultures. Haploids may be useful for isolation of mutants, since, even recessive mutant alleles will be expressed in the mutagen treated generation itself. Desirable mutants may be selected at-the haploid level and their chromosome number may be doubled to obtain homozygous mutant lines in a single generation.
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