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Question : Define trihybrid cross. Mention its F_2 phenotypic ratio.

Answer»

Solution :A cross between homozygous parents that differ in THREE gene pairs (i.e PRODUCING trihybrids ) is CALLED trihybrid cross.
`F_2` Phenotypic ratio `-27 : 9 : 9 : 9 : 3 : 3 : 3 :1`


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