The Synthetic Theory of Evolution explains how variations arise, what is Darwin's explanation for this?
by 
Ash Scarlet
ANSWERS: 2
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Darwin did not attempt to explain how variation arose, he merely noted as a fact of observation that offspring were generally not identical to their parents, and held that variation must somehow be implicit in reproduction.
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We now understand that natural selection is just one of a number of processes that can lead to evolution. This knowledge has resulted in the development of a more complete understanding of genetic changes that is usually described as the synthetic theory of evolution. This is essentially a combination of Charles Darwin's concept of natural selection, Gregor Mendel's basic understanding of genetic inheritance, along with evolutionary theories developed since the early 20th century by population geneticists and more recently by molecular biologists.
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