NEET 2001 Biology question

Two nonallelic genes produces the new phenotype when present together but fail to do so independently then it is called : -

(1)Epistasis
(2)Polygene
(3)Non complimentry gene
(4)Complimentry geneCorrect

Answer: (4)

Solution

Complementary genes are two non-allelic genes that together produce a phenotype that neither can produce alone (e.g. two white-flowered sweet-pea lines giving purple flowers in the F1). That is (4). In epistasis one

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Question ID VK-088847