Exam-style question
Try this first
Below is a simplified genetic diagram showing the sex chromosomes of parents and the possible gametes produced. Which combination of gametes will result in a male offspring? X and Y represent the sex chromosomes. Parents: Female (XX) x Male (XY). Gametes: Female (X, X), Male (X, Y).
- A.Egg (X) + Sperm (X) → XX
- B.Egg (X) + Sperm (Y) → XY
- C.Egg (X) + Egg (X) → XX
- D.Sperm (X) + Sperm (Y) → XY
Answer and explanation
Attempt the question first, then reveal the model answer and explanation.
Common mistake
No common mistake is linked to this question yet.