The panel has not yet reached agreement on a crucial question, however, whether to recommend legislation that would make it a crime for private funding to be used for human cloning.

【翻译】然而，该小组尚未就一个关键问题达成一致意见，即是否建议立法，将私人资金用于克隆人定为犯罪。

1. whether to do... 是不定式前加wh-word，是从句的简略式，带有疑问，正好与前文的 question 构成“同位语”。所以翻译为“即...”。

2. 此外，that would make it a crime for private funding to be used for human cloning是定语从句，修饰 legislation。

3. however 是一个“连接副词”，位置灵活多用于插入语。表示对前文的转折关系。