Science Understanding – Sex Episode 1
What we are, in large part, depends on our genes. It’s a hand we’re dealt when we’re born, and the cards we play our entire lives.
我们是什么，这主要由我们的基因决定。它是发给我们的一手牌，是我们玩整个一生的牌。
0100-0104
Hostess You can study as hard you can, but some people will be smarter.
你可以尽力用功学习，但是有些人会更聪明。
0106-0112
Hostess Work out as much as you want. Some people are born to be bigger, or prettier…
尽可能多地锻炼。有些人天生更高大，或者更漂亮。
0115-0121
Hostess or more artistic. 0119The hand you get depends on the luck of the draw.
或者更有艺术感。（0119）你得到什么牌由运气决定。
0126-0142
Hostess Which genes you get from your mother, which you get from your father, and how they combine to make you a unique individual, is largely a matter of chance. In the game of life, the shuffling of genes to create a new individual is called — sex.
你从母亲那里得到什么基因，从父亲那里得到什么基因，以及基因怎样结合使你成为一个独特的个体，在很大程度上都是偶然的。在生命游戏中，创造一个新个体的基因“洗牌”叫做性。
0146-0152
Hostess But life didn’t have to be this way. We could reproduce like some weeds do, by putting out shoots. Talk about a family tree!
但是我们不一定非得这样繁殖。我们可以像一些野草那样通过发芽抽枝进行繁殖，形成一个大家庭。
0158-0202
Hostess Or by fragmentation. A little gruesome, maybe, but it works for tapeworms.
或者通过碎裂。也许有点可怕，但是适合绦虫。
0208-0212
Hostess Spores are the method of choice for mushrooms. Millions could show up for a family reunion.
孢子是蘑菇选择的繁殖方法。一次可能增加几百万个家庭成员。
0216-0221
Hostess Or we could do it the way amoebas do — simply getting fat, and dividing.
或者我们可以像变形虫那样做：变胖，然后分裂。
0224-0229
Hostess But, no. We have to do it the hard way. For human reproduction, it takes two — and sex.
但是不行，我们必须以复杂的方式繁殖。人类的繁殖需要两个个体以及性。
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