NEET Biology question

Two nonallelic genes produce a new phenotype when present together, but fail to do so independently. This is called

(A)Epistasis
(B)Polygene
(C)Non-complementary gene
(D)Complementary geneCorrect

Answer: (D)

Solution

The stem precisely describes complementary gene interaction: two independently assorting, non-allelic gene pairs that individually (alone, in the presence of the other locus's recessive allele) fail to produce a particular new phenotype, but together (when at least one dominant allele of each is present) interact to

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Question ID VK-120214