2019 Principles of Inheritance and VariationLinkage and Recombination – Genetic Maps Medium Question 1 of 2 in Linkage and Recombination – Genetic Maps

What map unit (Centimorgan) is adopted in the construction of genetic maps?

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

The answer is C.

Solution

Concept centimorgan

Linkage and Recombination – Genetic Maps in past papers

2 questions from this chapter have appeared across 2 exam years.