Sex determination in mammals is due to the SRY gene found on the Y chromosome. Which of the following situations could allow a person with an XX karyotype to develop a male phenotype?
A) the loss of the SRY gene from an autosome
B) translocation of SRY to an X chromosome
C) the presence of an extra autosomal chromosome
D) the presence of one normal and one shortened (deleted) X

Question

Quizplus · Accepted Answer

Translocation of the SRY gene to an X chromosome would allow an XX individual to develop a male phenotype. This is because the SRY gene is responsible for male development and is normally found on the Y chromosome.

Sex Determination in Mammals Is Due to the SRY Gene