A common trait found in orange tabby cats is the following: being awesome (A) is dominant to being average (a).
A male cat that is homozygous dominant for the A trait is mated with a female cat that is homozygous recessive.
For a cross with four offspring, what is the probability that they will have an offspring who is heterozygous?
out of
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For a cross between a male cat that is homozygous dominant (AA) and a female cat that is homozygous recessive (aa), all of the offspring will be heterozygous (Aa) for the trait. This is because the dominant trait (A) will always be expressed in the offspring in the presence of a recessive allele (a).
Therefore, the probability that they will have an offspring who is heterozygous is 4 out of 4, or 100%.