Linkage in Drosophila was first discovered by
Morgan
Bateson and Punnet
Sturtevant
Bridges
It's Obvious
In Mendelism, linkage was not observed due to
The word 'crossing over' is given by
For the preparation of genetic maps, the recombination frequencies between genes are additive over short distances but not over long distances due to
$A$ : Morgan's cross III was conducted in Drosophila to locate genes on chromosome for white eye colour. $R$ : The cross was done between red eyed hybrid female and white eyed male.
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?
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