A person has polydactyly (extra fingers or toes). Polydactyly is caused by a dominant allele.

Biology

1 answer:

Helen [10]3 years ago

8 0

Answer:

1 I think, read the explanation.

Explanation:

Offspring need to carry just one dominant allele from their parents to inherit the polydactyl condition. The probability of the offspring having polydactyly is 50% (2 of the 4) and 50% not having it (normal). This can be expressed as a ratio, 2:2 which can be simplified to 1:1. - found on the internet

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