Biology

20 August, 17:01

If an organism of unknown genotype is crossed with a homozygous recessive organism

and half of the offspring show the dominant phenotype and the other half of the

offspring show the recessive phenotype, then the unknown genotype must be:

• O A. homozygous.

.

B. recessive.

.

C. dominant.

.

D. heterozygous.

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