אסיף מאגר המחקר החקלאי

Restriction fragment length polymorphisms in dairy and beef cattle at the growth hormone and prolactin loci

Year:

1987

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Authors :

Volume :

18

Co-Authors:

HALLERMAN, E.M., Department of Genetics, The Hebrew University of Jerusalem, Jerusalem, Israel
NAVE, A., Department of Genetics, The Hebrew University of Jerusalem, Jerusalem, Israel
KASHI, Y., Department of Genetics, The Hebrew University of Jerusalem, Jerusalem, Israel
HOLZER, Z., Agricultural Research Organization, Neve Ya'ar Experiment Station, Haifa, Israel
SOLLER, M., Department of Genetics, The Hebrew University of Jerusalem, Jerusalem, Israel
BECKMANN, J.S., Department of Plant Genetics and Breeding, Agricultural Research Organization, The Volcani Center, Bet Dagan, Israel

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Abstract:

Summary. Two bovine populations, a Holstein‐Friesian dairy stock and a synthetic (Baladi X Hereford X Simmental X Charolais) beef stock, were screened for restriction fragment length polymorphisms (RFLPs) at the growth hormone and prolactin genes. Most RFLPs at the growth hormone gene are apparently the consequence of an insertion/deletion event which was localized to a region downstream of the structural gene. The restriction map for the genomic region including the growth hormone gene was extended. Two HindIII RFLPs at the growth hormone locus, as well as several RFLPs at the prolactin gene, seemed to be the consequence of a series of point mutations. The results are discussed in terms of the possibility that minor genomic variability underlies quantitative genetic variation. © 1987 International Society for Animal Genetics

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