Principles of Inheritance and Variation Question 6
6. What map unit (Centimorgan) is adopted in the construction of genetic maps?
[2019]
(a) A unit of distance between two expressed genes, representing 10% cross over.
(b) A unit of distance between two expressed genes, representing 100% cross over.
(c) A unit of distance between genes on chromosomes, representing 1% cross over.
(d) A unit of distance between genes on chromosomes, representing 50% cross over
Show Answer
Answer : c
Hints & Solution
(c) 1 map unit represent 1% cross over. Map unit is used to measure genetic distance. This genetic distance is based on average number of cross over frequency.
