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Questions and Answers
What is the ploidy level of primary spermatocytes?
How many chromosomes does a secondary spermatocyte have?
Which process occurs after the DNA of a primary spermatocyte replicates?
What developmental change do spermatogonia undergo to become primary spermatocytes?
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How many cells are produced from one primary spermatocyte undergoing meiosis I?
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Study Notes
Spermatogenesis
- Spermatogonia that lose contact with the basement membrane undergo developmental changes and differentiate into primary spermatocytes after crossing the blood-testis barrier
- Primary spermatocytes are diploid, having 46 chromosomes
- Primary spermatocytes replicate their DNA and initiate meiosis I
- Meiosis I results in the formation of two secondary spermatocytes
- Each secondary spermatocyte has 23 chromosomes, the haploid number (n)
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Description
This quiz covers the process of spermatogenesis, including the formation of primary and secondary spermatocytes and the role of meiosis I. It's a fundamental concept in reproductive biology and genetics.
