Which of the following chromosome combinations would NOT result in a viable zygote that could develop into an adult?
A) XX
B) XO (one X and no other sex chromosome)
C) YO (one Y and no other sex chromosome)
D) XY
E) XYY

Question

Quizplus · Accepted Answer

The Y chromosome alone (YO) is not sufficient for viability because it lacks many of the essential genes that are found on the X chromosome. A single X chromosome (as in Turner syndrome, XO) can support life, albeit with some developmental issues, but a Y chromosome without an accompanying X does not provide the necessary genetic material for development.

Which of the Following Chromosome Combinations Would NOT Result in a Viable