The newborns will be named once their sexes have been determined.

一旦确定性别后，这些幼崽就会被起名字。

Humans have forty-six chromosomes of DNA, of which two help determine your sex, the " X" and the " Y" chromosome.

人类 DNA 有 46 条染色体，其中两条决定你的性别，X 与 Y 染色体。

For instance, mammals usually have one pair of chromosomes that determine sex.

例如，哺乳动物通常有一对决定性别的染色体。

So the reason why the temperature matters is because sea turtles have environmentally determined sex.

所以温度之所以重要是因为海龟的性别是由环境决定的。

One of these pairs, the sex chromosomes, determines person's biological sex and it can be composed of either two X chromosomes for females or an X and a Y chromosome for males.

在23对染色体中，有一对是性染色体，它决定了人的生物性别；对于女性，它由两条X染色体组成，男性的则由一条X染色体和一条Y染色体组成。