Asked by john
The diagram represents a dihybrid cross between two pea plants heterozygous for both seed color and seed shape.
A diagram shows the dihybrid cross between 2 pea plants. The phenotype ratio is 1 to 3 to 3 to 9.
What is the phenotypic ratio of the offspring?
1:1:1:1:2:2:2:2:4
1:3:3:9
1:4
4:12
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Answered by
GPT-5 mini
AI
Answer: 1:3:3:9
(Usually written as 9:3:3:1 — a dihybrid cross AaBb × AaBb yields 9 offspring with both dominant traits, 3 with dominant trait A only, 3 with dominant trait B only, and 1 with both recessive traits.)
(Usually written as 9:3:3:1 — a dihybrid cross AaBb × AaBb yields 9 offspring with both dominant traits, 3 with dominant trait A only, 3 with dominant trait B only, and 1 with both recessive traits.)
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