Viable breeding populations of species and their natural genetic variation are part of interdependent physical and biological systems called communities or ecosystems.
该章告诉我们潜能和变异是如何经过系统动力学的过程被积极创建,而非由基因被动接受。
It starts to tell us how potential and variation are actively created through the system dynamics, rather than passively“received” in genes.
研究人员在504份病例中发现了708个假定的致病变异等位基因,大多数变异是新的且以前没有报道的。
The researchers found 708 presumptive causative variant alleles in the 504 cases, with most of the variants being novel and not previously reported.
新的研究得出结论,在研究自然选择驱动的进化变化时,分析拷贝数变异是一个重要的工具。
The new research concludes that analyzing copy number variants is an important tool when investigating evolutionary changes driven by natural selection.
有些变异是无害的,但有些则会导致细胞分裂失控。
Some of these mutations are harmless, but others can result in a cell dividing out of control.
所有35名儿童,继承变异是像掷硬币35次,获得35头,带来32亿美元的赔率一个对”。
All 35 children inheriting the variant is like flipping a coin 35 times and getting 35 heads, entailing odds of 32 billion to one against.
我们将由此看到,大量的、遗传的变异是可能的;.
We shall thus see that a large amount of hereditary modification is at least possible;
在正常的条件下,生命会在遗传的基础上发生变异,这些变异是正常的变异。
Under normal conditions, life changes on the basis of heredity, and these changes are normal changes..
Variation is important because it allows life to respond to changing environments, including interactions with predators, prey and- particularly- parasites.
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