因此,一只以其兄弟姐妹为代价来获取食物的乞食雏鸟实际上可能会比其它雏鸟留下更少的基因副本。
Therefore, a begging nestling that secures food at the expense of its siblings might actually leave behind fewer copies of its genes overall than it might otherwise.
大多数明显的创始人突变都是隐性的,可以解释这种明显的异常现象:只有双亲都拥有受影响基因副本的人才会生病。
This apparent anomaly is partially explained by the fact that most founder mutations are recessive: only a person with copies of the affected gene from both parents becomes ill.
大多数品种的马铃薯有四种基因副本。
Most potato varieties carry four separate copies of their genes.
If I want to clone a gene from a human, if I want to clone the gene for human isulin, mean make many copies of the gene that's responsible for making insulin, I need to know whether there are introns there or not.
如果我想要从一个人类个体克隆基因,如果我想要克隆人类胰岛素基因,亦即我要把负责生成胰岛素的基因,复制许多个副本,我就得要知道哪些是内含子,哪些不是
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