She noticed that at the end of each of the creature's chromosomes was a repeating sequence of DNA, spelt out by the letters CCCCAA.
她注意到,在该动物的染色体两端是一个重复的DNA序列,这个序列用字母表示就是CCCCAA。
She noticed that at the end of each of the creature's chromosomes was a repeating sequence of DNA, spelt out by the letters CCCCAA.
她注意到,在该动物的染色体两端是一个重复的DNA序列,这个序列用字母表示就是CCCCAA。
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