睾丸的

• Despite this progress , however , women who lack ovaries altogether and men whose testicles have failed to develop or have been removed must still use donor gametes if they wish to have a child , which means that the child will not carry any of their genes
  尽管这种技术已经取得了很大进展，但是对于那些没有卵巢的妇女和睾丸发育不良或已切去睾丸的男子来说，如果他们想要孩子的话，就必须接受捐献者的配子，这意味着这样的孩子将不会携带任何他们的基因。