"In the seventeenth century, it was held by……" — John Tyler Bonner
"In the seventeenth century, it was held by some that inside a human sperm there was a minute human being - a homunculus - that was planted inside the womb. Development consisted of the miniature homunculus enlarging and passing through birth and on to maturity-just like inflating a balloon."
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John Tyler Bonner
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10 Quotes by John Tyler Bonner
John Tyler Bonner has 10 quotes on this site.
A few more worth reading:
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My prime interests are in evolution and development. I use the cellular slime molds as a tool to seek an…
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Evolution, cell biology, biochemistry, and developmental biology have made extraordinary progress in the last hundred years - much of it…
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When, as an undergraduate, I began experiments on these slime molds in 1940, only one other person, Kenneth Raper, was…
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As in all of biology, comparative studies showing differences among species are often helpful for a better understanding of the…
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The sudden appearance of mushrooms after a summer rain is one of the more impressive spectacles of the plant world.
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There are good reasons why natural selection has become widely accepted as an explanation of evolutionary development. When applied to…
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It is hard to explain the huge variety of diatoms - a microorganism that has 100,000 species - in terms…
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Changes in size are not a consequence of changes in shape, but the reverse: changes in size often require changes…
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Any object, whether animate or inanimate, will have a size. Airplanes, boats, or musical string instruments vary in size just…
See all 10 quotes by John Tyler Bonner »
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