A scientist hypothesized that when crossing two pea plants, both having the genotype RrYy, all of the offspring would have at least one dominant allele for either shape or color. Which conclusion is supported by the data in the dihybrid cross above? (B.6F)

Question

Question 13 options:

The hypothesis is correct as all offspring have at least one dominant allele.

The hypothesis is incorrect as three offspring have only dominant alleles.

The hypothesis is incorrect as four offspring have only recessive alleles.

The hypothesis is incorrect as one of the offspring has only recessive alleles.

Answer 1

The conclusion supported by the data in the dihybrid cross is: The hypothesis is incorrect as four offspring have only recessive alleles.