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Question : What phenotypic ratio is obtained by selfing of a trihybrid, in which two gene pairs are completely dominant and one gene pair is incompletely dominant ?

Answer»

`3:6:3:1:2:1`
`27:9:9:9:3:1:3:3`
`18 : 6 : 6 : 2 : 9 : 3 : 3 : 1 : 9 : 3 : 3 : 1`
`18 : 6 : 6 : 2 : 9 : 3 : 3 : 1 : 1 : 2 : 1`

ANSWER :C


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