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In a plant species, if the b allele (blue flowers) and the b allele (white flowers) are incompletely dominant (bb is light blue), what offspring ratio is expected in a cross between a blue-flowered plant and a white-flowered plant?
a. 3/4 blue:1/4 white
b. all light blue
c. 1/2 blue:1/2 white
d. 1/4 blue:1/2 light blue:1/4 white
e. 1/3 blue:1/3 light blue:1/3 white

Respuesta :

In a plant species, if the b allele (blue flowers) and the b allele (white flowers) are incompletely dominant (bb is light blue), an all light blue offspring ratio is expected in a cross between a blue-flowered plant and a white-flowered plant.

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