Question #6423556Single Choice

Biology

Question

Which of the following represents an exception to the rule of two-factor genotype determination?

A rabbit's fur color is determined by a single gene with two alleles where one allele is completely dominant over the other.

A butterfly's wing pattern is controlled by two genes that assort independently and each has two alleles.

In a fish species, the shape of the fins is influenced by a gene with six different alleles in the population.

A mouse's tail length is determined by a gene with two alleles and shows typical Mendelian inheritance.

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