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Spermatogenesis Stages Sherwood726

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Questions and Answers

What is the purpose of mitotic proliferation of spermatogonia?

To form secondary spermatocytes

To remodel spermatids

To provide a continual supply of new germ cells (correct)

To transport sperm towards the lumen

What happens to one daughter cell during mitotic proliferation of spermatogonia?

It remains undifferentiated (correct)

It becomes a spermatozoon

It undergoes meiosis

It forms secondary spermatocytes

What is the result of meiosis in spermatogenesis?

Formation of haploid spermatids (correct)

Formation of secondary spermatocytes

Mitotic division of spermatogonia

Remodeling of cell elements

What is the final product of spermiogenesis?

Spermatozoa Signup and view all the answers

What is the purpose of sperm cells?

To carry only the essentials for fertilization Signup and view all the answers

Is spermatogenesis always 100% efficient?

No, it is never efficient Signup and view all the answers

How many chromosomes do daughter cells have after mitotic division of spermatogonia?

46 Signup and view all the answers

What is the purpose of primary spermatocytes undergoing meiosis?

To form secondary spermatocytes Signup and view all the answers

What is the process of remodeling spermatids into spermatozoa called?

Spermiogenesis Signup and view all the answers

What is the chromosome count of haploid spermatids?

23 Signup and view all the answers

What is the purpose of one daughter cell remaining undifferentiated during mitotic proliferation of spermatogonia?

To continue the supply of new germ cells Signup and view all the answers

What happens to primary spermatocytes during meiosis?

They form secondary spermatocytes Signup and view all the answers

Study Notes

Mitotic proliferation of spermatogonia provides a continual supply of new germ cells
One daughter cell remains undifferentiated while the other moves towards the lumen to form sperm
Primary spermatocytes undergo meiosis to form secondary spermatocytes and finally yield four spermatids
Each spermatid is remodeled into a single spermatozoon through spermiogenesis
Sperm are specialized, mobile cells that contain only the essentials for fertilization
Spermatogenesis is not always 100% efficient and some cells are lost at various stages
Mitotic division of spermatogonia results in daughter cells with 46 chromosomes
Meiosis results in haploid spermatids with 23 single chromosomes
Sperm travel lightly and only carry essentials for fertilization
The process of spermiogenesis involves extensive remodeling of cell elements.