全部

1·Interbreeding Common Among Various Types of Humans?

几种不同的人类物种之间杂交是普遍现象吗？

2·Such interbreeding is usually limited because the offspring are sterile.

这种异种杂交是非常有限的，因为他们的后代是不育的。

3·The progeny of interbreeding start with a big evolutionary disadvantage.

杂交后裔一开始在进化上处于极大的劣势。

4·It could be just 50 Denisovans interbreeding with a thousand modern humans.

他说：“可能只是50个Denisovan人和1000个现代人杂交。”

5·Prolonged interbreeding in any species can eventually lead to serious birth defects.

长期来看，任何物种间的异血缘繁殖终会导致严重的先天缺陷。

6·They painted a complex picture, reflecting much interbreeding over hundreds of thousands of years.

他们画了一幅复杂的图，显示了几十万年来蚊子的杂交繁殖过程。

7·So the impact is there but the number of interbreeding events might have been quite small and quite rare.

这确实造成了影响，但杂交事件的数量应该是相当稀少的。

8·Because as soon as you have interbreeding, all those barriers [between those groups of animals] break down.

因为只要它们可以进行品种间杂交，那些动物群体间的所有障阻都会打破。

9·This has primarily occurred due to the interbreeding of humans from the East and West in this century past.

这主要是由于过去一世纪以来东西方的混杂繁殖而发生。

10·The interbreeding may have given modern humans genes that bolstered immunity to pathogens, the authors concluded.

作者推测，这种混种繁衍可能给予现代人类基因强大的免疫能力。