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

  • A

    Multiple cross overs

  • B

    Lethal mutation

  • C

    Epistasis

  • D

    Synaptonemal complex

Similar Questions

Assertion : In case of incomplete linkage, linked gene show new combination along with parental combination.

Reason : In case of incomplete linkage, linked genes are separated by crossing over.

  • [AIIMS 2010]

There are three genes $a,\,b,\,c$. Percentage of crossing over between $a$ and $b$ is $20\%$, $b$ and $c$ is $28\%$ and $a$ and $c$ is $8\%$. What is the sequence of genes on chromosome ?

  • [AIIMS 2015]

The word 'crossing over' is given by

Two heterozygous parents are crossed. If the two loci are linked what would be the distribution of phenotypic features in $\mathrm{F}_{2}$ generation for a dihybrid cross?

In Mendelism, linkage was not observed due to