1. Tardigrade
  2. Question
  3. Biology
  4. In a cross of Drosophila, the heterozygous member with grey body (b+) and long wings (vg+) was crossed with black body and vestigial wings. The progenies had the following ratio: Grey vestigial 24: Grey long 126: Black long 26: Black vestigial 124. What is the frequency of recombinants in the population?

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Q. In a cross of Drosophila, the heterozygous member with grey body $(b^+)$ and long wings $(vg^+)$ was crossed with black body and vestigial wings. The progenies had the following ratio: Grey vestigial $24$: Grey long $126$: Black long $26$: Black vestigial $124$. What is the frequency of recombinants in the population?

Principles of Inheritance and Variation

Solution:

Correct answer is (b) $16.7\%$