How do I find the genotypic and phenotypic ratio in a punnett square?

1 Answer
Dr Birendra Kumar Mishra
Nov 8, 2016

Phenotype atio is 9:3:3:1, while genotype ratio is 1:2:2:4:1:2:1:2:1.

Explanation:

  1. The pheotype is morphological appearance of organism. The phenotype ratio of Punnet Square is 9:3;3:1 i.e., Walnut-9, rose-3, pea-3 and single-1.
  2. The genotype is genetic struture. The genotype ratio of Punnet Square is 1:2:2:4:1:2:1:2:1 i.e., RRPP-1, RRPp-2, RrPP-2, RrPp-4, RRpp-1, Rrpp-2, rrPP-1 and rrpp-1.
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