When Thomas Hunt Morgan crossed his red-eyed F₁ generation flies to each other, the F₂ generation included both red-and white-eyed flies. Remarkably, all the white-eyed flies were male. What was the explanation for this result? (A) The gene involved is located on the Y chromosome. (B) The gene involved is located on the X chromosome. (C) The gene involved is located on an autosome, but only in males. (D) Other male-specific factors influence eye color in flies.

Respuesta :

Correct option (A) The gene involved is located on the Y chromosome.

In Morgan's experiment on linkage which is the percentage of white eyed , miniature winged recombination in F2 generation is 37.2. The linkage is the phenomenon of certain genes staying together during the inheritance through generations without any change due to the preset on same chromosome.

Chromosomal theory of inheritance by bateson and punnet while working on sweet pea and he found that factors which are certain characters to do not show independent assortment.

In Morgan's experiment it is clearly proved by him that linkage on the basis of hub breeding experiments in fruitfully drosophila melanogaster. When he crossed the red eyed F1 generation flies to each other  and F2 generation which includes both red and white eyes flies.

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