英文生物遗传学题目一道While most chromosomal aberrations are likely to be detrimental ,some are important mechanism for evolution .Which of these are and why Be sure you define the different types of aberrations

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英文生物遗传学题目一道While most chromosomal aberrations are likely to be detrimental ,some are important mechanism for evolution .Which of these are and why Be sure you define the different types of aberrations
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英文生物遗传学题目一道While most chromosomal aberrations are likely to be detrimental ,some are important mechanism for evolution .Which of these are and why Be sure you define the different types of aberrations
英文生物遗传学题目一道
While most chromosomal aberrations are likely to be detrimental ,some are important mechanism for evolution .Which of these are and why Be sure you define the different types of aberrations

英文生物遗传学题目一道While most chromosomal aberrations are likely to be detrimental ,some are important mechanism for evolution .Which of these are and why Be sure you define the different types of aberrations
染色体变异应该大部分有害的,可是变异有不定向性,可以变异出很多性状,在变化的环境中可能某个性状适应了环境,从而这个个体便存活下来,而那些不适应的就被淘汰,这就是自然选择,也就是进化!所以说变异为进化提供原材料,从而对进化有益.
一些专业名词我记不太请了,你要是想自己知道这些就行了,要是有什么重要的你最好去查查专业术语,我自从考完试后就没动过书.

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