Spermatogenesis usually occurs during the ___________ and continues in the _________ stage in some insects. The _________ is composed of germ cells and somatic mesodermal cells.
Spermatogenesis usually occurs during the ___________ and continues in the _________ stage in some insects. The _________ is composed of germ cells and somatic mesodermal cells.
Concepts of Biology
1st Edition
ISBN:9781938168116
Author:Samantha Fowler, Rebecca Roush, James Wise
Publisher:Samantha Fowler, Rebecca Roush, James Wise
Chapter18: Animal Reproduction And Development
Section: Chapter Questions
Problem 2ACQ: Figure 18.17 Which of the following statements about hormone regulation of the female reproductive...
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- Spermatogenesis usually occurs during the ___________ and continues in
- the _________ stage in some insects.
- The _________ is composed of germ cells and somatic mesodermal cells.
- Each follicle contains a large _________ that apparently serves as trophic function.
- The spermatogonia undergo several __________ divisions to form the primary spermatocytes.
- The primary spermatocytes become _________ in somatic cells.
- The primary spermatocytes undergo _________ and produce haploid daughter cells in the next region.
- In the zone of maturation and reduction, the primary spermatocytes become _______ and
- _________ respectively.
10.The secondary spermatocytes become transformed into ____________.
- When the _________ in which they have been encased throughout spermatogenesis rupture,
12.the spermatozoa enter the vas efferens and the vas deferens and lodge in the _________.
- When the spermatozoa are released into the ducts, they remain in bundles known as _______ held together by a gelatinous material.
14.The spermatozoa are filamentous with very narrow _________
- which may have something to do with the size of the ________.
16.________ of the muscles associated with the vas deferens and the ejaculatory duct accounts for the motility of the sperms.
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