Question 21
Reproduction in AnimalsThe diagrams are illustrations of two different cells (P and Q) involved in a biological process in mammals.
If the number of chromosomes in the skin cells of mammals is 46, how many chromosomes would be found in P and Q respectively?
- A.23 and 23
- B.23 and 46
- C.46 and 23
- D.46 and 46
Show the answer and explanation
Answer: A (23 and 23)
Explanation
Gametes are haploid, so both sperm and ovum carry half the body-cell number: 23 each.