Which of the following cells is diploid and contains 46 chromosomes? (1) Primary spermatocytes (2) Secondary spermatocytes (3) Spermatids (4) Spermatozoa
Understand the Problem
The question is asking which type of cell among the given options is diploid and contains 46 chromosomes. It specifically focuses on the different stages of sperm cell development.
Answer
Primary spermatocytes
The cell type that is diploid and contains 46 chromosomes is a primary spermatocyte.
Answer for screen readers
The cell type that is diploid and contains 46 chromosomes is a primary spermatocyte.
More Information
In human spermatogenesis, primary spermatocytes are diploid, containing 46 chromosomes. They undergo meiosis to form secondary spermatocytes, which are haploid.
Tips
A common mistake is assuming that cells involved in gametogenesis remain diploid throughout. Only the primary spermatocyte is diploid before meiosis.
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