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Units of sexual reproduction are haploid...

Units of sexual reproduction are haploid/diploid gametes.

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**Step-by-Step Solution:** 1. **Understanding Sexual Reproduction**: Sexual reproduction involves the participation of two parents of opposite sexes. This process results in the production of offspring that are genetically diverse. 2. **Role of Gametes**: In sexual reproduction, the male and female gametes are essential. In humans, the male gamete is called sperm, and the female gamete is called ovum (or egg). 3. **Fusion of Gametes**: The process of sexual reproduction includes the fusion of these male and female gametes. This fusion is crucial as it leads to the formation of a new organism. ...
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