In a bisexual population of Macrobiotus richtersi from Pisa the chromosome set is 2n = 12 and n = 6. It is also shown that in the same species, but in a different geographical territory (Modena), is present a prthenogenetic triploid (3n = 18) biotype. This kind of parthenogenesis is ameiotic. In the organs of the triploid individuals the number of cells is similar to that of the diploid population.
Partenogenesi geografica triploide in un Tardigrado / Bertolani, Roberto. - In: ATTI DELLA ACCADEMIA NAZIONALE DEI LINCEI. RENDICONTI DELLA CLASSE DI SCIENZE FISICHE, MATEMATICHE E NATURALI. - ISSN 0392-7881. - STAMPA. - 50:(1971), pp. 487-489.
Partenogenesi geografica triploide in un Tardigrado.
BERTOLANI, Roberto
1971
Abstract
In a bisexual population of Macrobiotus richtersi from Pisa the chromosome set is 2n = 12 and n = 6. It is also shown that in the same species, but in a different geographical territory (Modena), is present a prthenogenetic triploid (3n = 18) biotype. This kind of parthenogenesis is ameiotic. In the organs of the triploid individuals the number of cells is similar to that of the diploid population.
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