4. Suppose that a dominant allele (P) codes for a polka-dot tail and a recessive allele (p) codes for a solid colored tail. If t wo heterozygous individuals with polka-dot tails mate, what's the probability of the phenotype and genotype combinations of the offspring?
1 answer:
Answer:
The correct answer would be:
Genotype ratio: 1 (PP) : 2 (Pp) : 1 (pp)
Phenotypic ratio: 3 (polka-dot tails) : solid colored tail
The genotype of both parents is Pp (heterozygous).
Thus, both the parent would produce two types of gametes which are P and p.
The cross would result in the production of offspring with three types of genotype PP, Pp, and pp in 1:2:1.
Offspring with PP and Pp will have a polka-dotted tail as it is the dominant trait.
Thus, the phenotype ratio would be 3 (polka-dotted tail) : 1 (solid colored tail).
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