If x is the phenotypic ratio of monohybrid cross for trait A and y is – McqOptions

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1.	If x is the phenotypic ratio of monohybrid cross for trait A and y is the phenotypic ratio of monohybrid cross for trait B, what would be the phenotypic ratio of a dihybrid cross involving traits A and B?
A.	xy
B.	x + y
C.	x<sup>2</sup> + y<sup>2</sup>
D.	(xy)<sup>2</sup>
Answer» B. x + y

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