Kinds of sperm

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Electron micrograph of human spermatozoa magnified times. Overall gross abnormalities in appearance may be termed "amorphous" changes. This test relies upon the ability of sperm that are tested in the laboratory to undergo the necessary reactions to fertilize an egg. The mitochondrial sheath is believed to be the source of energy ATP for sperm motility. As was noted in the previous section, although a dominant chimpanzee may try to monopolize time with a female in estrous, most of the competition in this species is carried out at the level of the sperm. Journal List Commun Integr Biol v.
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Sperm heteromorphism

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Male Reproductive System

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What is sperm?

Manhattan CryoBank offers extensive services pertaining to Cryopreservation and Andrology. The genetic material from the male and female has combined so that a new individual can be created. The postmeiotic phase of mouse spermatogenesis is very sensitive to environmental genotoxic agents, because as male germ cells form mature sperm they progressively lose the ability to repair DNA damage.
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