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In chromosomally heterozygous mice derived from crosses of the laboratory mouse and Mus poschiavinus, a high incidence of segregational disturbances is observed at the 1st meiotic division. However, abnormal segregation is more frequent in oocytes than in spermatocytes. Therefore, the rates of...

Stolla, R.; Gropp, A.; Winking, H.
VIIIth International Congress on Animal Reproduction and Artificial Insemination, Krakow, July 12-16, 1976. Proceedings. Volume I. Communication Abstracts., 1976, pp 251

The DNA content of morphologically normal spermatozoa was determined in 300 cells each in Mus musculus, Mus poschiavinus and their F1 hybrids. In contrast to the parents, the F1 hybrids showed a high degree of spermatocyte aneuploidy. The variation of DNA content in spermatozoa of F1 hybrids was...

Stolla, R.; Gropp, A.
VIIth International Congress on Animal Reproduction and Artificial Insemination, Munich, 1972, Summaries., 1972, pp 238