Which of the following explains, how progeny can possess the combinations of traits that none of the parent possessed?

Chromosome theory

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Polygenic inheritance

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Law of segregation

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Law of independent assortment

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Solution

The correct option is D Law of independent assortment
Law of independent assortment states that during gamete formation, the segregation of the alleles of one allelic pair is independent of the segregation of the alleles of another allelic pair. Thus each allele of a pair segregates independently and each gamete formed contains one allele of that trait. Mendel confirmed the results of his second law by performing a backcross, that is F $_{1}$ dihybrid crossed with recessive parent.
Thus, the correct answer is option D.

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