BI-999
Sexual reproduction
Biology · Secondary 3 · Easy · Sexual reproduction
Which event in humans shows that sexual reproduction has taken place?
- An embryo in the uterus grows larger by cell division.
- Skin cells divide to repair a cut on the arm.
- The nucleus of a sperm fuses with the nucleus of an ovum to form a zygote.
- An unfertilised ovum is released from the ovary each month.
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