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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