An individual has a karyotype that is XX but is phenotypically male. What could explain this result?
A) The Y chromosome was not visible in the karyotype.
B) Sex determination is determined by the autosomes and not the X chromosomes.
C) A translocation has occurred, placing the SRY gene on one of the X chromosomes.
D) The DAX 1 protein is overproduced.
E) A nondisjunction event has resulted in Kleinfelter syndrome.

Question

Quizplus · Accepted Answer

A translocation has occurred, placing the SRY gene on one of the X chromosomes. This can result in the development of male characteristics despite having XX chromosomes.

An Individual Has a Karyotype That Is XX but Is