Principles Of Inheritance And Variation Ques 18
18. Bateson used the terms coupling and repulsion for linkage and crossing over. Name the correct parent of coupling type alongwith its cross repulsion
[1990]
(a) Coupling AABB, aabb; Repulsion AABB, AAbb
(b) Coupling AAbb, aaBB; Repulsion AaBb, aabb
(c) Coupling aaBB, aabb; Repulsion AABB, aabb
(d) Coupling AABB, aabb : Repulsion AAbb, aaBB
Show Answer
Answer : d
Hints & Solution
(d) Bateson and Punnett (1906) discovered coupling and repulsion in the common garden pea (Pisum sativum).
BETA
