What is the likely number of white rabbits (in%) to be expected from crossing a gray (A) rabbit and a white (a)

What is the likely number of white rabbits (in%) to be expected from crossing a gray (A) rabbit and a white (a) rabbit, provided that the rabbit is heterozygous?

The gray rabbit is heterozygous, so its genotype is Aa; and the rabbit is white – her genotype is aa.
The probability of giving birth to gray rabbits in this cross is 50% and 50% are white.

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