Q.1
Phenocopy is
- Phenocopy:
- First coined by Richard Goldschmidt in 1935:
- phenocopy is an environmentally induced phenotypic variation that closely resembles (mimics) the phenotype classically produced by a specific mutant genotype, but is itself non-heritable because the organism's genome remains unaltered.
- Example: Phocomelia (limb reduction) induced by prenatal thalidomide exposure phenocopies genetic phocomelia.
- nalysis:
- (Variation in phenotype caused by environmental condition): Correct.
Correct option: (1) Variation in phenotype caused by environmental condition
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