In this way sexual reproduction permits genetic recombination, which results in greater variety in offspring and so provides a mechanism for evolution by natural selection.
In this way sexual reproduction permits genetic recombination, which results in greater variety in offspring and so provides a mechanism for evolution by natural selection.
基因重组就是以这种方式出现在有性生殖过程中，在使得后代种类更多的同时，提供了自然选择的进化机制。