Sexual differentiation of chimeric chickens containing ZZ and ZW cells in the germline

Molecular Reproduction and Development
H KagamiR J Etches

Abstract

The developmental fate of male and female cells in the ovary and testis was evaluated by injecting blastodermal cells from Stage X (Eyal-Gliadi and Kochav, 1976: Dev Biol 49:321-337) chicken embryos into recipients at the same stage of development to form same-sex and mixed-sex chimeras. The sex of the donor was determined by in situ hybridization of blastodermal cells to a probe derived from repetitive sequences in the W chromosome. The sex of the recipient was assigned after determination of the chromosomal composition of erythrocytes from chimeras at 10, 20, 40, and 100 days of age. If the sex chromosome complement of all of the erythrocytes was the same as that of blastodermal cells from the donor, the sex of the recipient was assumed to be the same as that of the donor. Conversely, if the sex-chromosome complement of a portion of the erythrocytes of the chimera differed from that of the donor blastodermal cells, the sex of the recipient was assumed to differ from that of the donor. Injection of male blastodermal cells into female recipients produced both male and female chimeras in equal proportions whereas injection of female cells into male recipients produced only by male chimeras. One phenotypically male chimera develo...Continue Reading

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Citations

Nov 1, 1996·Molecular Reproduction and Development·R J EtchesA M Gibbins
Jan 31, 2002·Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology·Hiroshi KagamiTamao Ono
Feb 14, 2006·Proceedings of the National Academy of Sciences of the United States of America·Tomoyuki OkutsuGoro Yoshizaki
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Nov 18, 2005·Comparative Biochemistry and Physiology. Toxicology & Pharmacology : CBP·Valentine A LanceAnn de Peyster
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May 14, 2016·Animal Science Journal = Nihon Chikusan Gakkaihō·Hiroshi Kagami
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