Biology · Genetics
Gene 'A' in mice is required for normal growth (normal size). Mouse strains with a deletion in gene 'A' (A del ) have been developed. When the cross ♀ A del A × AA ♂ is made, all progeny (both males and females) are of normal size. When the F1 progeny with the genotypes ♂ A del A × AA ♀ are crossed, 50% of the progeny obtained are small in size. This observation can be explained by:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Maternal effect
- 2Paternal imprinting✓
- 3Maternal imprinting
- 4Maternal inheritance
Correct answer
Paternal imprinting
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