2 Polygenic Traits questions from Biology with detailed answers and explanations. Free previous year questions and MCQs.
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Polygenic Traits โ Biology(1โ2 of 2)
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Q1hardmcqBiologyBiology
Grain colour in wheat is determined by three pairs of polygenes. Following the cross AABBCC (dark colour) x aabbcc (light colour), in F2โ generation what proportion of the progeny is likely to resemble either parent?
Q2mediummcqBiologyBiology
Assertion : In humans, the gamete contributed by the male determines whether the child produced will be male or female.Reason : Sex in humans is a polygenic trait depending upon a cumulative effect of some genes on X-chromosome and some on Y-chromosome.
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