Arrange the following in the increasing order based on the combinations obtained in the $F_{2}$ pogeny of a dihybrid cross
(I). Proportion of parental phenotype combinations.
(II). Proportion of Mendelian recombination in phenotype.
(III) Kinds of phenotypes
(IV) Kinds of genotypes.

I I I, I I, I V, I

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I, I I I, I V, I I

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I I, I, I V, I I I

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I V, I I, I I I, I

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Solution

The correct option is A $I I I, I I, I V, I$
A dihybrid cross tracks two traits. Both parents are heterozygous, and one allele for each trait exhibits complete dominance *. This means that both parents have recessive alleles, but exhibit the dominant phenotype. The phenotype ratio predicted for dihybrid cross is 9:3:3:1.
Proportion of parental phenotype combinations(I) - 16
Proportion of Mendelian recombination in phenotype(II) - 6
Kinds of phenotypes(III)- 4
Kinds of genotypes(IV)- 9

So the correct option is 'III,II,IV,I'.

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Arrange the following in the increasing order based on the combinations obtained in the F2 pogeny of a dihybrid cross (I). Proportion of parental phenotype combinations.(II). Proportion of Mendelian recombination in phenotype.(III) Kinds of phenotypes(IV) Kinds of genotypes.

Arrange the following in the increasing order based on the combinations obtained in the $F_{2}$ pogeny of a dihybrid cross
(I). Proportion of parental phenotype combinations.
(II). Proportion of Mendelian recombination in phenotype.
(III) Kinds of phenotypes
(IV) Kinds of genotypes.