You Can Detect DNA That Is Specifically from the X

Multiple Choice

You can detect DNA that is specifically from the X chromosome in a DNA sample from a person.Why can't you definitively determine the sex of that person (male or female) from the presence of the X chromosome?

A) Males and females have different types of X chromosomes.
B) Both males and females have an X chromosome.
C) You would have to check for the presence of a Y chromosome.
D) Both males and females have an X chromosome and you would have to check for the presence of a Y chromosome.
E) Males and females have different types of Y chromosomes.