Why Is It a Good Idea to Use STRs on Y

question 91

Multiple Choice

Why is it a good idea to use STRs on Y chromosomes for ancestry instead of STRs on X chromosomes?

• A) The Y chromosome is passed on to every generation no matter what.
• B) The X chromosome is passed on to every generation no matter what.
• C) The X chromosome undergoes crossing over;the Y does not.
• D) The Y chromosome undergoes crossing over;the X does not.
• E) There are more available STRs on the Y chromosome than on the X chromosome