Which statement is false concerning X chromosome inactivation?
A) It is an accident of evolution.
B) It is an example of dosage compensation.
C) It is a gene control mechanism.
D) It is responsible for the normal development of female embryos.
E) It does not occur in males.

Question

Which statement is false concerning X chromosome inactivation?  
A) It is an accident of evolution.
B) It is an example of dosage compensation.
C) It is a gene control mechanism.
D) It is responsible for the normal development of female embryos.
E) It does not occur in males.

Quizplus · Accepted Answer

X chromosome inactivation is not an accident of evolution, but rather a mechanism that has evolved in mammals to compensate for the presence of two X chromosomes in females and one X chromosome in males.

Which Statement Is False Concerning X Chromosome Inactivation