Chromosomal mapping primarily involves
A) drawing diagrams of chromosomes to show their relative lengths.
B) photographing chromosomes.
C) cutting and pasting chromosome pictures together.
D) studying prophase II chromosomes in squashed cells.
E) calculating crossover percentages.

Question

Quizplus · Accepted Answer

Chromosomal mapping involves calculating crossover percentages to determine the distances between genes on a chromosome. This technique is based on the observation that the frequency of recombination (crossover) between two genes correlates with their physical distance from each other on a chromosome.

Chromosomal Mapping Primarily Involves