Multiple choice

In human (male) there is/are ______ X chromosome(s).

  1. only one

  2. two

  3. three

  4. many

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Males have one X chromosome and one Y chromosome (XY sex determination). The X chromosome comes from the mother and the Y chromosome from the father. Females have two X chromosomes (XX).