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Oogenesis, Fertilization, and First Cleavage of Dicyema aegira McConnaughey and Kritzler, 1952 (Mesozoa: Dicyemidae)
Robert B. Short and Raymond T. Damian
The Journal of Parasitology
Vol. 53, No. 1 (Feb., 1967), pp. 186-195
Stable URL: http://www.jstor.org/stable/3276645
Page Count: 10
You can always find the topics here!Topics: Ova, Diploidy, Spermatozoa, Metaphase, Anaphase, Chromosomes, Oocytes, Haploidy, Fertilization, Pronucleus
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Events in oogenesis, fertilization, and the first cleavage division of Dicyema aegira are interpreted as occurring, usually, in the customary manner. Two polar bodies are formed, with reduction of the chromosome number to haploid; fertilization occurs; two pronuclei are formed; and the first cleavage division of a diploid zygote is normal.
The Journal of Parasitology © 1967 The American Society of Parasitologists