Question

The percent crossing over is high when ______.

Options

• genes are unlinked

• genes are located on different chromosomes

• genes are linked and are very close to each other

• genes are linked and far away from each other

Answer 1

The percent crossing over is high when genes are linked and far away from each other.

Explanation:

Morgan and his colleagues discovered that even when genes are clustered on the same chromosome, some are closely coupled and have limited recombination, while others are loosely related.