The technique in which an egg is fertilised by sperm outside the body in the laboratory is called
- A. cloning
- B. hybridisation
- C. pollination
- D. in vitro fertilisation
Explanation
IVF brings gametes together in a dish, and the resulting embryo is then placed in the uterus. Cloning makes copies without fertilisation, so the presence of sperm marks IVF.
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