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Evolution__3rd_Edition

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..<br />

2 Molecular<br />

and Mendelian<br />

Genetics<br />

T he chapter is an introduction to the genetics that we need<br />

to understand the evolutionary biology contained in this<br />

book. It begins with the molecular mechanism of inheritance,<br />

and moves on to Mendelian principles. It then considers how<br />

Darwin’s theory almost required heredity to be Mendelian,<br />

because natural selection can hardly operate at all with a<br />

blending mechanism of inheritance.

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