Which of the following is a likely explanation that a male could survive an X-linked dominant, male lethal disorder?
A) He could have a mutation reversion
B) He could have a compensating mutation
C) He could be 47, XXY
D) There is recombination between the X and Y chromosome
E) Any of the above is likely

Question

Quizplus · Accepted Answer

A male with 47, XXY karyotype has an extra X chromosome, which could allow him to survive an X-linked dominant, male lethal disorder because the presence of the second X chromosome can compensate for the lethal mutation.

Which of the Following Is a Likely Explanation That a Male