4. Linkage data :-

Gene Linkage phase Number of individuals Recombinations
No. %

X

y

   XY Xy xY xy  

Gs2

Lg

 RBC 37 53 81 19 56 29.5

Gs2

B

   162 4 8 170 12 35.5

Pc2

R

   128 95 58 2   16.5

Pc2

G

   204 19 30 30   21.5