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一个健康的男子带着他的妻子来到咨询门诊,请求检查流产的原因。这是他的第二个妻子,已经怀孕三胎,都在妊娠两个月内流产了。而他的第一个妻子曾经连续怀孕八胎,也都是在妊娠两个月内流产的。丈夫责怪妻子,并因此而离婚。女方与他人再婚后却生育正常。先后十一胎的自然流产给这个男子带来了悲剧。究竟原因何在?医生检查了夫妇双方的身体状况,一切正常,再抽血检查他们的染色体,才发现了问题。正常人的每个细胞中都有四十六条染色体,并且双双成对彼此独立存在。从第一对到第二十二对人人都一样,称为常染色体;最后一对为决定男女的性染色体,在男性为XY,在女性为XX。而这位男性患者的大部分体细胞中却只有45条染色体,并且有一条
A healthy man came to his clinic with his wife and asked for a check on the cause of the miscarriage. This is his second wife, already pregnant three, have aborted within two months of pregnancy. His first wife, who had been pregnant eight consecutive pregnancies, also aborted within two months of pregnancy. Husband blames his wife and therefore divorces. After the remarriage of the woman but with normal birth. The natural abortion that has occurred in eleven fetuses has brought the tragedy to this man. What is the reason? Doctors check the couple’s physical condition, everything is normal, and then blood to check their chromosomes, only to find the problem. There are forty-six chromosomes in every cell of a normal person, and both exist in pairs independently of each other. The first pair to the twenty-second pair are the same for all, called autosomal; the last pair is sex chromosome for determining male and female, XY in males and XX in females. The male patient most of the somatic cells but only 45 chromosomes, and there is one