Principles of Inheritance and Variation Question 116
116. Two linked genes a and b show 20% recombination. The individuals of a dihybrid cross between $++/++$ $\times$ ab/ab shall show gametes
(a) $++80: a b: 20$
(b) $++50: a b: 50$
(c) $++40:$ ab $40:+$ a $10:+b: 10$
(d) $++30:$ ab $30:+$ a $20:+$ b : 20
Show Answer
Answer : c
Hints & Solution
(c) Two linked genes a and b show 20% recombination. The individuals of a dihybrid cross between $++/++$ $\times$ ab/ab shall show gametes $++40: ab 40:+a 10:+b: 10$.
