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- Abstract： The SRY gene (sex determining region on Y chromosome) acts as TDF and is required for regulating male sex determination. 摘 要： Y染色體上的性別決定區域--SRY基因作為睾丸決定因子;可以調控男性性別發育過程.
- They may, for example, affect the viability of sperm that bear the Y chromosome, which determines male sex -- or the viability of male fetuses. 可能這些變化看起來微不足道，但研究人員提出，這是環境污染對男性生殖系統所造成的危害的一種表現。
- Is this behaviour typical of the male sex? 這種行為是雄性特有的嗎?
- male sex chromosome 男性性染色體
- A chromosome that is not a sex chromosome. 常染色體非性染色體的一個常染色體
- X chromosome was the second largest submetacentric chromosome and Y was the smallest acrocentric chromosome in 1 pair sex chromosome. 1對性染色體中 ,X染色體為 1條第二大的亞中部著絲點染色體 ,Y染色體為最小的端部著絲點染色體。
- A person is either of female or male sex . 一個人要麼是女性，要麼是男性。
- They may, for examp Slave e, affect the viability of sperm that bear theY chromosome, which w kdetermines male sex -- or the viability of male fetuses. 比如，這些物質會影響含有決定男性性別的Y染色體的精子的生存能力或男性胎兒的發育。
- But unlike humans, the X and Y are not sex chromosomes. 但是與人類不同的是，其X與Y染色體卻不是性染色體。
- Then he read about research tracing the Y sex chromosome, which is passed intact from father to son, all the way back to the time of Aaron, the single progenitor of the priestly cohen caste 3,000 years ago. 接著他閱讀了有關Y性染色體的研究材料。Y染色體完整地從父親傳遞給兒子，這就可以一路追溯到聖人艾倫的年代。艾倫是3000年前的教士科恩種姓的惟一祖先。
- For years they have felt no inferiority to the male sex. 她們早就不覺得低男性一等了。
- Heterogametic sex The sex with dissimilar sex chromosomes, one (in mammals the Y chromosome)being shorter than the other(the X chromosome). 異配性別：具有不相同的性染色體，一條（哺乳類中為Y染色體）比另一條（X染色體）短一些。
- Y chrom. (=male sex chromosome) 男性性染色體
- The results may be linked to levels of testosterone-the male sex hormone. 這樣的結果可能與男性荷爾蒙睪丸素的量有關。
- Humans have 22 chromosome pairs plus two sex chromosomes. 除了兩個性染色體之外，人體有22對染色體。
- Mammals normally have two sex chromosomes. 哺乳動物正常情況下有兩種性染色體。
- Unlike other sex chromosome aneuploidy, there are no characteristic physical features for triple X patients. 由於大部分患者缺乏明顯的表現型特徵,造成本綜合征有相當大的鑒別難度。
- Testosterone, the primary male sex hormone, is one in a group of related steroid hormones referred to as androgens. 睾酮是主要的雄性激素，也是一組被認為是雄性激素的類固醇激素的成員之一。
- All the new genes might be located at euchromosomes but MMSA-1 at sex chromosome. 除MMSA-1可能定位於性染色體，其餘均可能定位於常染色體；
- While humans have two sex chromosomes, the X and Y, the platypus has 10, with five of each kind. 最近，鴨嘴獸基因序列的解讀最終揭開了這種神秘生物的秘密：它比我們想象的還要古怪神奇。
