1. During pollination, this generative cell divides and gives rise to sperm cells . 2. These microbes damage sperm cells , leaving them unable to fertilize female gametes. 3. Most of them produce sperm cells that do not contain any plastids. 4. The mammalian sperm cell consists of a head, a midpiece and a tail. 5. As a result, the mice were able to produce sperm cells . 6. I highly doubt 3 million sperm cells are going to make you infertile. 7. How many million sperm cells is it that are produced by one ejaculation? 8. Johnson labeled the DNA in sperm cells with a temporary, nontoxic, fluorescent chemical. 9. The Y-chromosome sperm cells contain about 2 . 8 percent less genetic material. 10. Also, sperm cells with tail-tip swelling patterns generally have lower frequency of aneuploidy.
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