该词条未找到_海词词典

您要查找的是不是：

X chromosome sex chromosome 性染色体
X chromosome was the second largest submetacentric chromosome and Y was the smallest acrocentric chromosome in 1 pair sex chromosome. 1对性染色体中 ,X染色体为 1条第二大的亚中部着丝点染色体 ,Y染色体为最小的端部着丝点染色体。
Heterogametic sex The sex with dissimilar sex chromosomes, one (in mammals the Y chromosome)being shorter than the other(the X chromosome). 异配性别：具有不相同的性染色体，一条（哺乳类中为Y染色体）比另一条（X染色体）短一些。
concerning characteristics that are determined by genes carried on the sex chromosomes (on the X chromosome in particular). 关于携带性染色体（尤指X染色体）基因决定的特征。
A chromosome that is not a sex chromosome. 常染色体非性染色体的一个常染色体
Unlike other sex chromosome aneuploidy, there are no characteristic physical features for triple X patients. 由于大部分患者缺乏明显的表现型特征,造成本综合征有相当大的鉴别难度。
By its very nature,then,the Y chromosome is less free to carry any genes not directly related to sex,except on the short segment that is homologous with the X chromosome. 染色体由它的本质决定了它不能随意携带与性别无关的基因;除非是在与同源的X染色体对应的一小段上.
But unlike humans, the X and Y are not sex chromosomes. 但是与人类不同的是，其X与Y染色体却不是性染色体。
In women, a faulty gene on one X chromosome is counteracted by a healthy copy. 对女性而言，那条正常X染色体上的基因完全可以替代另一条X染色体上的异常基因。
If we change the X chromosome to "Y" by bombarment method (or something like that). 如果我们用方法，将X染色体的其中一段打断，变成"Y";染色体。
Humans have 22 chromosome pairs plus two sex chromosomes. 除了两个性染色体之外，人体有22对染色体。
The cloned retinoschisis gene (RS1) maps to the distal short arm of the X chromosome (Xp22.2). 近年来的研究已将RS基因定位于Xp22.;2(X染色体短臂远端)。
Mammals normally have two sex chromosomes. 哺乳动物正常情况下有两种性染色体。
DMD occurs when a gene on the X chromosome fails to make the essential muscle protein dystrophin. 这种疾病的病因是在X染色体上的一个基因不能表达抗肌肉萎缩蛋白。
A noncoding gene named Xist produces an active RNA that coats the unneeded X chromosome. 称为Xist的非编码基因制造了活性RNA，将不必要的X染色体给覆盖起来。
But many primates, including humans, hae a third photopigment, encoded by a second gene on the X chromosome. 但是多数灵长类包括人类有着三种感光色素，通过在X染色体中的第二种基因编码。
All the new genes might be located at euchromosomes but MMSA-1 at sex chromosome. 除MMSA-1可能定位于性染色体，其余均可能定位于常染色体；
Rather, we happened to find something on the X chromosome," Dr.Younkin explained. 相反的，我们碰巧在X染色体发现一些东西。
Besides,we discussed the sex chromosome and the mechanism of sex determination of Elaphodus cephalophus. 根据现存的几种核型的分析对毛冠鹿的性染色体及性别决定机制作了初步的探讨。
In some women, most often black women, the two X chromosome each encode a different G6PD isoenzyme. 在一些妇女，特别是黑人妇女，两条x染色体各自编码一种不同的G6PD同工酶。