Occurrence of haploid cells bearing Y chromosomes in bovine embryos fertilized in vitro.
Haploid cells bearing Y chromosomes were observed in bovine embryos derived from in vitro fertilization of in vitro-matured follicular oocytes in Japanese Black cattle. The androgenic embryos described in this article might be caused by abnormality in the formation of the female pronucleus.
Iwasaki
S
S
NODAI Research Institute, Tokyo University of Agriculture, Japan.
Hamano
S
S
D000818:Animals; D002417:Cattle / Q000196:embryology / Q000235:genetics*; D046508:Culture Techniques; D005307:Fertilization in Vitro; D006238:Haploidy; D007621:Karyotyping / Q000662:veterinary; D014998:Y Chromosome