Multiple choice

Which stage of the cell cycle should be observed for determination of sex of an unborn fetus?

  1. Anaphase

  2. Prophase

  3. Metaphase

  4. Interphase

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

The sex of an unborn fetus can be determined by observation of interphase cells. DNA is in replication stage at interphase, therefore observation of fetal DNA is very convenient.