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What Mendelian cross would result in a 9:3:3:1 phenotypic ratio? heterozygous an

ID: 95691 • Letter: W

Question

What Mendelian cross would result in a 9:3:3:1 phenotypic ratio?

heterozygous and homozygous single-trait cross (Aa × aa)

heterozygous and heterozygous single-trait cross (Zz × Zz)

heterozygous and heterozygous two-trait cross (EeFf × EeFf)

heterozygous and homozygous two-trait cross (BbCc × bbcc)

a)

heterozygous and homozygous single-trait cross (Aa × aa)

b)

heterozygous and heterozygous single-trait cross (Zz × Zz)

c)

heterozygous and heterozygous two-trait cross (EeFf × EeFf)

d)

heterozygous and homozygous two-trait cross (BbCc × bbcc)

Explanation / Answer

Ans.) “C” -- heterozygous and heterozygous two-trait cross (EeFf × EeFf)
(Dihybrid cross is a cross between two different traits with different allele.)

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