例句 |
Genes are those tiny bits of biological information swapped in sexual reproduction.基因是在有性繁殖中交换的微小生物信息。Sexual reproduction serves to create genetic variety.有性繁殖可以使基因多样化。These plants can reproduce sexually and asexually.这些植物既可以进行有性繁殖,也可以进行无性繁殖。The first organisms that reproduced sexually were free-floating plankton.最早开始有性繁殖的生物是四处漂浮的浮游生物。 |