Fruit colour in squash is an example of:

Fruit Colour In Squash Is An Example Of Biology Question

Fruit colour in squash is an example of:

Options

(a) Recessive epistasis
(b) Dominant epistasis
(c) Complementary genes
(d) Inhibitory genes

Correct Answer:

Dominant epistasis

Explanation:

Epistasis is the phenomenon of suppression of phenotypic expression of gene by a nonallelic gene which shows its own effect. A dominant epistatic allele suppresses the expression of a nonallelic gene whether the latter is dominant or recessive. For example , fruit colour of Summer squash (Cucurbita pepo) is governed by a gene which produces yellow colour in dominant state (Y-) and green colour in recessive state (yy).

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Topics: Genetics (204)
Subject: Biology (4253)

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