2001•Xibei Nong-Lin Keji Daxue xuebao. Ziran kexue banRequires access
Analysis on chromosome karyotype of Guanzhong horse (Equus caballus)
Chuzhao Lei, Han Zeng-sheng, Hong Chen, Li Ruibiao
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Abstract
In this paper,chromosomal karyotype of Guanzhong horse (Equus caballus) was studied by using the peripheral blood lymphocyte culture method.The results showed that the number of the chromosomes in Guanzhong horse was 2 n =64.The karyotypes of male and female horse were 64,XY and 64,XX respectively.Among 31 pairs of autosomes,of which 13 pairs were metacentric or submetacentric and 18 pairs were acrocentric chromosomes; X chromosome was the second largest submetacentric chromosome and Y was the smallest acrocentric chromosome in 1 pair sex chromosome.