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? 

  • [NEET 2022]
  • A

     $d, b, a, c$

  • B

    $a, b, c, d$

  • C

    $a, c, b, d$

  • D

    $a, d, b, c$

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  • [NEET 2013]

For the preparation of genetic maps, the recombination frequencies between genes are additive over short distances but not over long distances due to