京海黄鸡连续3个世代类胰岛素样生长因子-Ⅰ外显子3的多态性研究

›› 2010, Vol. 37 ›› Issue (5): 126-128.

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Study on the Polymorphism of Exon 3 in Insulin-like Growth Factor-Ⅰ Gene in Three Generations of Jinghai Yellow Chicken

WANG Hui-hua1,WANG Jin-yu1,LI Yuan1,HOU Qi-rui1, ZHANG Gen-xi1,SHI Hui-qiang2

（1.College of Animal Science and Technology, Yangzhou University, Yangzhou 225009， China；2.Jiangsu Jinghai Poultry Group Co. Ltd., Nantong 226103， China）

Received:1900-01-01 Revised:1900-01-01 Online:2010-05-20 Published:2010-05-20
Contact: WANG Jin-yu

Abstract

Abstract:

Genetic diversity of exon 3 in insulin-like growth factor-Ⅰ(IGF-Ⅰ) gene was studied using PCR-SSCP technique in seven, eight and nine generations of Jinghai yellow chicken population in the present study, and calculated the genotype, gene frequency, chi-square value and some indicators of genetic polymorphism. The results showed that alleles increased with decreasing the number of generations; genotype distribution between the three generations achieved a significant(P＜0.05) or very significant(P＜0.01) difference; heterozygosis increased with the number of generations increased; the locus polymorphism of three generations were moderate. Indeed, the initial inference elected to stay on the IGF-Ⅰ gene had an impact on 31 points, the loci could be applied in breeding practice.

Key words: Jinghai yellow chicken; insulin-like growth factor-Ⅰ; SNP; polymorphisms

CLC Number:

S831.8+9

WANG Hui-hua;WANG Jin-yu;LI Yuan;HOU Qi-rui;ZHANG Gen-xi;SHI Hui-qiang. Study on the Polymorphism of Exon 3 in Insulin-like Growth Factor-Ⅰ Gene in Three Generations of Jinghai Yellow Chicken[J]. , 2010, 37(5): 126-128.

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Study on the Polymorphism of Exon 3 in Insulin-like Growth Factor-Ⅰ Gene in Three Generations of Jinghai Yellow Chicken

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