Among 31 pairs of autosomes, of which 13 pairs were met centric or submetacentric and 18 pairs acrocentric chromosomes, X chromosome was larger submetacentric chromosome and Y was the smallest acrocentric chromosome.

• 32对染色体中,31对常染色体,1对性 染色体; 常染色体中,13对为亚中和中着丝粒染色体,18对为端着丝粒染色体;