asked 33.1k views
2 votes
Make a Punnett square for two pink flowers from the scenario above. What is their phenotype ratio? Genotype ratio?

asked
User Yurisich
by
8.5k points

1 Answer

2 votes

If two pink flowers are crossed, the Punnett square would be:

| | R | r |

|---|---|---|

| R | RR | Rr |

| r | Rr | rr |

The phenotype ratio would be 1:2:1 (1 red:2 pink:1 white) since the incomplete dominance of the alleles results in a blending of the red and white colors to produce pink flowers.

The genotype ratio would be 1:2:1 (1 RR:2 Rr:1 rr) since the probability of getting the homozygous dominant and homozygous recessive genotypes is the same as the probability of getting the heterozygous genotype.

answered
User Fahad Siddiqui
by
8.4k points
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