Two loci on a human chromosome are about 1,500,000 nucleotide pairs apart and are found to recombine in about 2% of gametes during gametogenesis. Consistently, each genetic map unit (which corresponds to 1% recombination) in humans is equivalent to a physical distance of about … nucleotide pairs.
A) 30 million
B) 7.5 million
C) 3 million
D) 0.75 million
E) 0.3

Question

Quizplus · Accepted Answer

If two genes are reassorted in x% of gametes, they are said to be separated on a chromosome by a genetic map distance of x map units (or x centimorgans). The greater the distance between two loci on a single chromosome, the greater is the chance that they will be separated by crossing-over occurring at a site between them.

Two Loci on a Human Chromosome Are About 1,500,000 Nucleotide