A SNP is a variation in just one nucleotide of a genetic sequence; think of it as a spelling change affecting just one letter in an uncommonly long word.
一个SNP就是只在一个基因序列的一个核苷酸中发生的变异；就像一个拼写变化只影响一个罕见的长单词中的一个字母。
In this lesson we will take a look at what happens when we want to make a long word or a group of words into a smaller and easier to remember form. Or as it is more commonly known... Abbreviation.
本节课我们将会了解把一些长的单词或者一组单词变成一种更短更简洁的形式，这种形式就称为缩写词。
In this lesson we will take a look at what happens when we want to make a long word or a group of words into a smaller and easier to remember form. Or as it is more commonly known... Abbreviation.
本节课我们将会了解把一些长的单词或者一组单词变成一种更短更简洁的形式，这种形式就称为缩写词。
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