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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
- IIT JAM
- Biotechnology (BT)
Two different traits affecting pod characteristics in garden pea plants are encoded by the genes found on chromosome 5. narrow pod is recessive to normal pod, y
Two different traits affecting pod characteristics in garden pea plants are encoded by the genes found on chromosome 5. narrow pod is recessive to normal pod, yellow pod is recessive to green pod. A true-breeding plant with narrow, green pods was crossed to a true-breeding plant with normal, yellow pods. The following results were obtained: 144 narrow green pods, 150 normal yellow pods, 11 narrow yellow pods and 9 normal green pods. How far apart are these two genes?
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Abhijeet Gaurav![best-answer]()
P: nnGG x NNgg F1: NnGg x nngg F2: if the genes were unlinked we would expect to find equal numbers of individuals in each of the 4 phenotypic classes. Can use Chi square analysis to show that this is not the case. Therefore, N and G are linked. Distance between two genes: # of recombinants/total # of progeny x 100 N G: 20/314 = 0.064 x 100 = 6.4 m.u.