...e, this is the key difference between autosomes and chromosomes. Autosomes determine general characteristics of an organi** while chromosomes collectively determine the overall characteristic of an organi**, including the gender and sex-related characteristics. Another difference between autosomes a...
.... It is sex that creates the distinction between male and female. Sex also determines the gender of a person. However, in some cases, an individual’s gender and sex may not align; this happens to people of transgender. 什么是性别(gender)? 性别是指男女之间的社会文化差异。这...
...兔子实际上是同一种动物。主要区别在于人们在不同阶段如何称呼他们。“兔子”一词用来指一个婴儿或一只小兔子,而“兔子”是用来指一般这种动物的主要术语。 兔子属于麻风科。雄性兔子被称为雄鹿,雌性兔子被称为野...
... 描述 兔子是一种后腿短的小型哺乳动物。不管天气如何,兔子的毛色一年四季都是一样的。 野兔是一种长耳哺乳动物,体型较大,后腿较长。野兔的皮毛在夏天由灰褐色变为冬天的白色。 兔子(rabbit) vs. 野兔(hare) 兔子和野...
...它不仅产生雌配子,而且完成受精、胚胎的生长发育 Sex Determination Male gametes play the sex-determining part in humans. Female gametes do not play the sex-determining part in humans. Lifetime **在雌性体内的寿命为2到5天。卵子在雌性体内的寿命为12到2...
关键区别:兔子和野兔关系密切。兔子和野兔属于蜥蜴目的麻风科。野兔和兔子的主要区别是野兔个子更高,剥皮的人后腿和耳朵更长。野兔比兔子大而且快。他们有更大的脚,能够跳得更高,跑得比兔子快。野兔的皮毛上也...
...wn to hers. He found her a convenient humble companion, and pride made him determined to find some superiour virtues in the being whom he chose to live with; but did not her conduct during his life, and after his death, clearly show how grossly he was mistaken who called her a celestial innocent.”...
染色体是携带遗传信息的长基因片段。它们由DNA和蛋白质组成,位于我们细胞的细胞核内。染色体决定从头发颜色、眼睛颜色到性别的一切。你是男性还是女性取决于某些染色体的存在与否。人类细胞含有23对染色体,共46对。...
...和德尔伊万·贾尼克主编,格林伍德,2002年) 哈利(兔子)在兔子身上的顿悟,快跑 "They reach the tee, a platform of turf beside a hunchbacked fruit tree offering fists of taut ivory-colored buds. 'Let me go first,' Rabbit says. ''Til you calm down.' His heart is ...
有没有想过如何分辨鲨鱼的性别?与大多数海洋物种相比,区分鲨鱼的性别更容易。这都是鲨鱼的外部解剖结构。 雄性鲨鱼修改了被称为钩状体的腹鳍。雌性没有这些扣环。随着雄性鲨鱼年龄的增长,钙沉积在钩环中,因此...