Which of the following best explains why a robertsonian carrier may have no health problems due to his or her chromosome rearrangement?
a. genes on the lost p arms can be found elsewhere in the genome.
b. there are no genes found on any of the p arms of acrocentric chromosomes.
c. all acrocentric p arms contain the same base sequence.
d. the long q arm chromosome copies the genetic information from the p arms before they are lost.