In humans, if nondisjunction led to an individual with a genotype of XO, that person would
A. display both male and female characteristics.
B. be male because each cell has only one X chromosome.
C. not survive.
D. be female because each cell lacks a Y chromosome.
Answer: D
You might also like to view...
What would be the danger in lacking nociceptors? What will be an ideal response?
A pollen grain "knows" when to germinate due
to which of the following? a. differentiation upon contact with the flower b. exposure to moisture c. cell signaling pathways d. electromagnetic impulses from the flower e. none of these
Crosses between a yellow rat and a yellow rat always produce yellow. Crosses between a white rat and
a white rat always produce white. The alleles affect the same aspect of coat color. The crosses of a white rat and a yellow rat produce cream. What happens if you cross two cream rats? What will be an ideal response?
The countercurrent exchange system found in fish gills maximizes gas exchange efficiency by:
a. producing rapid water flows across the gill surface. b. allowing water and blood to come in direct contact to maximize oxygen exchange. c. having the most oxygen-depleted blood come in contact with the most oxygen-rich water. d. having the most oxygen-depleted blood come in contact with the most oxygen-depleted water. e. decreasing the oxygen content of the blood leaving the gill filaments