摘要
本文报道了新疆北鲵的染色体组型,2n=66,核型公式为2n=10M+2ST+16T+38m,由14对大染色体和19对微小染色体组成。在雌、雄个体间未发现有异型性染色体。核型分析结果表明,新疆北鲵是小鲵科中较原始的种类。
This paper reports the karyotype of Ranodon sibiricus.The diploid number of R.sibiricus is 66,of which theve are 5 pairs of large metacentric chromosomes,1 pair acrocentricchromosome,8 pairs telocentric chromosomes and 19 pairs of microchromosomes.No.heteromorphicchromosome is found both in the female and male.
出处
《动物学杂志》
CAS
CSCD
北大核心
1996年第6期16-18,共3页
Chinese Journal of Zoology