tsimm5346 tsimm5346

13-03-2024
Biology

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In cats, black fur (B) is dominant over white fur (b). A heterozygous black cat is crossed with a homozygous white cat. Predict the genotype and phenotype ratios of their offspring? (Use Punnett square)
a. Genotype: 1 BB : 2 Bb : 1 bb; Phenotype: 3 black : 1 white
b. Genotype: 1 BB : 1 Bb : 1 bb; Phenotype: 2 black : 1 white
c. Genotype: 1 BB : 0 Bb : 1 bb; Phenotype: 1 black : 1 white
d. Genotype: 2 BB : 0 Bb : 1 bb; Phenotype: 2 black : 1 white

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