The diagrams above are illustrations of two different cells involved in biological processing in mammals. Study them and answer this question.
Which of the following statements about P and Q is correct?
- Both cells are structures for asexual reproduction
- Both cells normally belong to the same individual
- Both cells are found in plants
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The union of both cells gives rise to a new mammal
The correct answer is: D
Explanation
P - sperm cell:
III. Nucleus IV. Mitochondria
Q- Egg cell:
I. Nucleus II. Cytoplasm.
Sperm-egg fusion is a cell-cell membrane fusion event essential for the propagation of sexually reproducing organisms.