1. They are left with round spermatids , the precursors of sperm. 2. The spermatogenous cells give rise to spermatids via mitotic cell division. 3. They injected these spermatids into mouse eggs and produced pups. 4. Each secondary spermatocyte will form two spermatids after Meiosis II. 5. They fertilized mouse eggs with these spermatids and produced pups. 6. Spermatid DNA also undergoes packaging, becoming highly condensed.7. Alternatively they go on to differentiate into spermatocytes, spermatids and finally spermatozoa. 8. CREM acts as a transcription factor essential for the differentiation of spermatids into mature spermatozoa. 9. In 2016 Chinese scientists produced mouse spermatids ( precursors of sperm ) artificially from mouse stem cells. 10. NLRP14 is found exclusively in the testes where it is expressed within spermatogonia, spermatocytes and spermatids .
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