Percentage of recombination between $A$ and $B$ is $9\%$ and $C$ is $17\%$, $B$ and $C$ is $26\%$, then the arrangement of genes is
$ABC$
$ACB$
$BCA$
$BAC$
Who used the frequency of recombination ?
The word 'crossing over' is given by
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.
The four daughter cells derived from a single meiosis differ from each other due to