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Biology Question Below Help? punnett square problem? Biology Problem Mendels peas?
The dominant P allele of a gene that controls colour in pea flowers produces petals with purple colour; plants homozygous for a reccesive p allele of this gene have white flowers . If a Pp plant and a Pp plant crossed , what would be the expected phenotypic ratios of the offspring?
answer is 3 white / 1 purple how?
2 Answers
- 3 years agoFavorite Answer
Set up a cross between Pp and Pp. Find the four combinations that can occur between the two parents.
Results of a cross:
1 PP
2 Pp
1 pp
Using the Law of Dominance, the 1 PP and the 2 Pp will show as purple, and the 1 pp will show up as white.
