Q.

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               [2022]

1 a, d, b, c  
2 d, b, a, c  
3 a, b, c, d  
4 a, c, b, d  

Ans.

(4)