已知人的全部受孕中,最少有10％染色体不正常,估计1—2％是由于接受染色体不正常的精子所造成的。为了研究雄配子在造成畸形染色体受孕中的真正作用,以及影响染色体畸形精子产生和存活的因素,必须直接分析精子染色体。然而,精子染色体,在减数分裂中期Ⅱ之后,一直到受精卵的雌雄原核准备第一次分裂之前不再重现。本报 Known human total conception, at least 10% of the chromosome abnormalities, an estimated 1-2% is due to accept abnormal chromosomal sperm caused. In order to study the true role of male gametes in causing congenital chromosome deception and the factors that influence the production and survival of chromosomal aberrations, sperm chromosomes must be analyzed directly. However, sperm chromosomes, after metaphase II, are not reproduced until the male and female of the fertilized egg are ready for the first division. This newspaper