On the planet Strogus, the equivalent of the earth drosophila (fruit fly) has th

Question

On the planet Strogus, the equivalent of the earth drosophila (fruit fly) has the Morty phenotype, in which those with the trait love bagels. The wild-type flies do not. In a cross between a Morty female and wild type male, of the 1000 offspring (F1 generation), 507 are wild-type females and 493 are Morty males. A complementation cross is performed on the parental generation. Which of the following counts would be most likely in the F1 generation, if there are 1000 offspring?

A. 751 Morty males, 249 female wild types.

            B. 512 male wild-types, 488 female wild-types.

            C. 512 male wild-types, 488 Morty females.

            D. 751 male wild types, 249 female wild types.

            E. All 1000 F1 files are Morty flies.

ANSWER IS NOT E

Explanation / Answer

Wild type flies do not have the trait. Let the symbol for wild type be “+”, and that having the trait be “t”. Initially let us consider that the morty characteristic is autosomal. Morty female “tt” is

c.. 512 male wild-types, 488 Morty females.

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