第一项始终是图钉的来源。总体可信度是各份资料对上方所用开始和结束时间支持程度的加权平均;资料每比最新的一份旧 180 天,权重减半。
Wikipedia's[2] article on Dolly states it without hedging: "Dolly's existence was announced to the public on 22 February 1997." She had been born on 5 July 1996, so the birth and the announcement are seven months apart and this pin takes the announcement, the day the result became public.
Gives the announcement date, the birth date of 5 July 1996, the method (nuclear transfer from a mammary gland cell), the foundational work by John Gurdon cloning African clawed frogs in 1958, and Dolly's death in 2003 from a progressive lung disease not linked to her cloning.[1]
有遗漏或错误吗?用你自己的话说明:能佐证此图钉的链接、不同的开始或结束日期及理由,或缺失、有误的信息。AI 会对照此图钉的来源进行核实,搜索更好的来源,并添加任何支持你说法的页面。图钉自身的来源仍然最重要。