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Movie: × shein x Watch cours, x CSecure https://session.masteringgenetics.com/myct/jitemview?assignment ProblemiD-5578045 Maste × Epistasis Homework- (Homework 3-Part 2) Question5 solid white, solid black, or black-and-white spotted. When true-breeding solid whites are mated in cattle, coats may be After many F1 × F1 matings, the following ratio was observed in the F2 germabon with true-broeding solid blacks, the Fi generation consists of ll soldw a hite indviduais 12/16 solid white 3/16 black-and-white spotted 1/16 solid black Explain the mode of inheritance governing coat color by determining how many gene pairs are involved and which genotypes yieid which phenotypes Part A How many gene pairs are involved in the inheritance of cattle coat color? Correct PartB What type of genetic ineraction is observed in this data?

Explanation / Answer

Q5.

Part A.

Since it is a type of dominant epistasis, two gene pairs are involved in the inheritance of cattle coat colour.

Hence option (2) is correct.

Part B.

In this data the type of genetic interaction involved is dominant epistasis having the ratio 12:3:1.

Part C.

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Solid White Black and white spotted Solid Black

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