Individuals homozygous for linked ‘p’ and 'q' genes were crossed with wild type (+ +). The F1 hybrid thus produced was test crossed. It produced the progeny in the following proportion:++=800pq= 900+p= 100+q= 200Calculate the distance between p and q genes present on the same chromosome.

see full answer

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!

An Intiative by Sri Chaitanya

20 map units

15 map units

10 map units

30 map units

answer is B.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

Number of Recombinant= 100+200=300Total number of offspring= 800+900+100+200= 2000Distance between p and q genes = (300/2000) x100 = 15 map units

Watch 3-min video & get full concept clarity