Karyotyping and G- banding Analysis of Abaga Horse

doi:10.3969/j.issn.1000-7091.2013.04.013

Abstract

Abstract: In this paper，chromosomal karyotype of Abaga horse was studied by using the fibroblast cells culture method and conventional chromosome analysis techniques．The karyotyping of Abaga horse has been analyzed by standard and G- banding technique．The results showed that the diploid chromosome number of Abaga horse was 2n = 64．The chromosome karyotypes of male and female horse were 64，XY and 64，XX．The chromosome 1－13 is metacentric-submetacentric autosome;chromosome 14－31 is acrocentric autosome．Chromosome X is the second longest submetacentric chromosome and Y is the smallest acrocentric chromosome．Moreover，each chromosome of Abaga horse has some unique patterns of its bands，and there are some differences with the reported Araba horse． This is the first report of G- banding karyotype of Abaga horse in China．The karyotype generated in this study will provide the fundamental information for equine cytogenetics and diagnosis of genetic disease in Arab horses．

Key words: Abaga horse, Chromosome, Karyotype, G-banding

CLC Number:

WANG Ai-hong1,HAN Hong-mei1,LIU Yong-bin1,3,LI Yun-xia2,LI Xi-he1,2. Karyotyping and G- banding Analysis of Abaga Horse[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2013, 28(4): 69-74. doi: 10.3969/j.issn.1000-7091.2013.04.013.

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