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- Objective To discuss the correlation between sex chromosomal abnormalities and gonadal dysgenesis. 目的探讨性染色体异常对性腺发育的影响。
- A chromosome that is not a sex chromosome. 常染色体非性染色体的一个常染色体
- Mammals normally have two sex chromosomes. 哺乳动物正常情况下有两种性染色体。
- 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。
- 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。
- Homogametic sex The sex with homologous sex chromosomes, in mammals, designated XX. 同配性别:指有相同性染色体的性别,在哺乳动物中,它用XX来表示。
- 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。
- From the cytogenetic perspective, only a small proportion of fish species have heteromorphic sex chromosomes. 几十年的细胞遗传学研究表明,鱼类性别决定几乎包括了动物的所有性染色体类型。
- 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。
- Karyotype reveal that in most cells all but sex chromosomes are present as two copies, referred to as homologous pairs. 除了性染色体外,大多数细胞的染色体组成对出现,称同源染色体对。
- 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;
- We analysed the karyotype and had a discussion on the sex chromosomes of Elaphodus cephalophus. 本文通过核型分析,对毛冠鹿的性染色体进行了初步的探讨。
- The researchers revealed the animal has 52 chromosomes, including 10 sex chromosomes. 研究人员发现,鸭嘴兽有52条染色体,其中10条为性染色体。
- While humans have two sex chromosomes, the X and Y, the platypus has 10, with five of each kind. 最近,鸭嘴兽基因序列的解读最终揭开了这种神秘生物的秘密:它比我们想象的还要古怪神奇。
- 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。
- Among them,the detection rate of abnormal sex chromosomes was hiighest,ac-counting for 92.5%. 6%25,其中性染色体异常检出率最高,占92。5%25。
- In diploid cells, there is a pair of sex chromosomes;the remainder are termed autosomes. 在二倍体细胞中,有一对性染色体,其余的都是常染色体。
- Comparisions of the morphology and the pairing of sex chromosomes during meiotic prophasc between the tree shrew and other primates are made and discussed in this paper. 性染色体联会复合体的形态和行为与灵长类的十分相似,并对此进行了比较和讨论。
- Method: Studying of normal and sex chromosome by classic cytogenetic analyse in leukemia patients before and after treated by allo-HSCT. 方法:应用常规细胞遗传学方法定期检测白血病患者异基因造血干细胞移植前后常染色体、性染色体情况。