那些O型血的人真的会得病，但不会病死，而且还有机会传宗接代。于是O型血的基因就这样代代相传下来。

Those people who had type o actually would get sick, but wouldn't die, and had an opportunity to reproduce, and that's how the gene goes forward.

youdao

那些O型血的人真的会得病，但不会病死，而且还有机会传宗接代。于是O型血的基因就这样代代相传下来。

Those people who had type o actually would get sick, but wouldn't die, and had an opportunity to reproduce, and that's how the gene goes forward.

youdao