Method for determining the sex of an embryo

Chemistry: molecular biology and microbiology – Measuring or testing process involving enzymes or... – Involving nucleic acid

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435 912, 536 2431, 536 2433, C12Q 168

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active

057597723

ABSTRACT:
A method for determining the sex of a mammalian embryo is disclosed. This method begins with the isolation of an embryonic cell that contains pseudo-autosomal DNA sequences. At least a portion of the pseudo-autosomal DNA sequences are amplified, creating pseudo-autosomal DNA fragments. Allele-specific DNA sequences are amplified using the pseudo-autosomal DNA fragments as a template and allele-specific primers. The allele-specific products are examined for the presence or absence of the X-allele-specific and Y-allele-specific products. Preferably, the embryo is bovine and the pseudo-autosomal DNA sequences are ZFX and ZFY. Also preferably the allele-specific primers are those described in Sequence ID NOS: 5, 6, 7 and 8.

REFERENCES:
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Arnheim in "PCR Technology," ed. by Henry A. Erlich, Stockton Press: New York. Chapter 12 pp. 119-135. (1989).
Herr, et al., "Rapid, Accurate Sexing of Livestock Embryos," Proceedings of the Fourth World Congress on Genetics Applied to Livestock Production, W. G. Hill, et al., Eds. vol. XVI:334-343 (1990).
Aasen, et al., "Amplification of the ZFY and ZFX Genes for Sex Identification in Humans, Cattle, Sheep and Goats," Biotechnology 8:1279-1281 (1990).
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