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Biology · PYQ NEET UG 2022

हिन्दी

The recombination frequency between the genes a & c is 5%, b & c is 15 %, b & d is 9%, a & b is 20%, c & d is 24% and a & d is 29%. What will be the sequence of these genes on a linear chromosome?

  1. A
    a, b, c, d
  2. B
    a, c, b, d
  3. C
    a, d, b, c
  4. D
    d, b, a, c

Correct answer · Option B

a, c, b, d

Explanation

Distance a-c = 5, c-b = 15 (since a-b = 20), b-d = 9 (since c-d = 24). Thus order is a - c - b - d.
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