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[主观题]
The 1990s saw the birth of the famous sheep ____ (the first mammal produced from a don
The 1990s saw the birth of the famous sheep ____ (the first mammal produced from a don
or cell taken from an adult rather than from an embryo), then Polly, a transgenic animal produced through cloning.
提问人:网友孙青青
发布时间:2022-01-07