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Mendel's Dihybrid Experiments

In a dihybrid...

Question

In a dihybrid cross, 2000 individuals are produced in F $_{2}$ generation. Approximately, how many will be phenotypically different from parents?

A

1250

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B

1000

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C

1500

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D

750

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Solution

The correct option is D 750
The ratio of parental to non parental combinations (recombinants) is 10:6 in F $_{2}$ generation of dihybrid cross. In the dihybrid cross mentioned here, 2000 individuals are produced in F $_{2}$ generation, hence phenotypically different progenies i.e., number of recombinants will be $\frac{6}{16} \times 2000 = 750$ .

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