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KMID : 1005220080230030203
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Journal of Embryo Transfer
2008 Volume.23 No. 3 p.203 ~ p.209
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Estimation of Genetic Characteristic and Cumulative Power of Breed Discrimination Using Microsatellite Markers in Hanwoo
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Oh Jae-Don
Lee Jin-Ah
Kong Hong-Sik
Park Keong-Do
Yoon Du-Hak
Chun Gwang-Joo
Lee Hak-Kyo
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Abstract
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To estimate the genetic characteristics and cumulative power of discrimination (CPD) existing among Hanwoo (Korean cattle) and exotic foreign population (Angus, Herford, Charolais, Holstein) we used a total of 414 genomic DNAs from five breeds population (Hanwoo, Angus, Hereford, Charolais, Holstein). Genetic characteristics indices including mean allele number among loci, unbiased heterozygosity (hi) within locus and polymorphic information content (PIC) and unbiased average heterozygosity (H) among loci in four breeds were calculated using the generated allele frequencies by each marker. The mean allele numbers for all loci ranged between 5 and 7 while heterozygosity (H) ranged from 0.75 (HW) to 0.64 (HF) among loci and across breeds heterozygosity (H) was 0.69. The generated unbiased average heterozygosity among loci in each breed was integrated to the global formula of CPD resulting in 99.71 % within the populations. The genetic variation of HW (Hanwoo) showed highest estimates among the analyzed breeds.
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KEYWORD
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cumulative power of discrimination (CPD), microsatellite marker, Hanwoo, genetic characteristics
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