Not as? What not as?

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(Please grammatically analize it, if you can not understand its scientific meaning)

the amount of DNA is not as?

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The key to complexity is that these few remaining genes weigh almost nothing. Calculate the energy needed to support a normal bacterial genome in thousands of copies and the cost is prohibitive. Do it for the tiny mitochondrial genome and the cost is easily affordable, as shown in the Nature paper. The difference is the amount of DNA that could be supported in the nucleus, not as repetitive copies of the same old genes, but as the raw material for new evolution.

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@oristarA,

It means that within the mitochondria, a crucial structure within a cell, there is room for DNA material which is not just more copies of the DNA which already exists there, but also DNA which has changed (one assumes through mutation, although the context doesn't indicate that), and is therefore a possible source for evolutionary change.

So, "not as" refers to repetitive copies--the additional capacity for DNA may be used by DNA which is not repetitive copies, but something else.

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@Setanta,

Thank you Setanta.

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Not as? What not as?

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