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Updated: Jun 24, 2026
07:54
Manipulation of Ploidy in Caenorhabditis elegans
Published on: March 15, 2018
Chromosome Number and Reproduction in Mononchoides changi (Nematoda: Diplogasterinae)
Journal of Nematology
|March 27, 2009
Abstract:
Mononchoides changi Goodrich, Hechler, and Taylor reproduces by amphimixis. The female has 14 chromosomes, the male 13. Sperm cells have 6 or 7 chromosomes. During oogenesis three polar nuclei and the egg pronucleus are formed. Fusion of sperm and egg pronuclei was not observed, but in one egg at metaphase I, two chromosome groups, one larger than the other, were seen aligned side by side and were presumed to be from male and female pronuclei. Non-fertilized eggs are laid, but these disintegrate without cleaving.
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