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(D) Epistasis is a genetic interaction where one gene masks or interferes with the expression of another gene. $1$. In poultry,the white plumage color

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(D) Epistasis is a genetic interaction where one gene masks or interferes with the expression of another gene. $1$. In poultry,the white plumage color is often due to a dominant epistatic gene $(I)$ that inhibits the expression of color genes. $2$. In mice,coat color inheritance often involves epistatic interactions where one gene determines the presence of pigment and another determines the color. $3$. In summer squash,fruit color inheritance (white,yellow,and green) is a classic example of dominant epistasis. Since all these organisms exhibit various forms of epistasis,the correct answer is $D$.

Which of the following organisms exhibit the phenomenon of epistasis?

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