Question
Biology Question on Principles of Inheritance and Variation
What map unit (Centimorgan) is adopted in the construction of genetic maps ?
A
A unit of distance between genes on chromosomes, representing 1% cross over.
B
A unit of distance between genes on chromosomes, representing 50% cross over.
C
A unit of distance between two expressed genes, representing 10%cross over.
D
A unit of distance between two expressed genes, representing 100% cross over.
Answer
A unit of distance between genes on chromosomes, representing 1% cross over.
Explanation
Solution
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.