Turner Syndrome is Due to A(an)

Question

Turner syndrome is due to a(an)
A)extra sex chromosome.
B)missing sex chromosome.
C)extra autosome.
D)missing autosome.

Accepted Answer

Turner syndrome is caused by a missing sex chromosome. Specifically, affected individuals have only one X chromosome instead of the usual two (XX). This can lead to a variety of physical and developmental characteristics associated with Turner syndrome.