Charles Darwin, himself a proponent of pangenesis, publishes On the Origin of Species his explanation of evolution by natural selection. Darwin provides a plethora of evidence on how valuable traits become more common in a population, but does not provide any explanation for the mechanism of transmission of these traits. Summarization my own words:
Charles Darwin, himself a proponent of pangenesis, publishes On the Origin of Species his explanation of evolution by natural selection. Darwin provides a plethora of evidence on how valuable traits become more common in a population, but does not provide any explanation for the mechanism of transmission of these traits. Summarization my own words:
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Charles Darwin, himself a proponent of pangenesis, publishes On the
- his explanation of evolution by natural selection.
Origin of Species
Darwin provides a plethora of evidence on how valuable traits become
more common in a population, but does not provide any explanation for
the mechanism of transmission of these traits.
Summarization
my own words:
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Step 1
Though Darwin wasn't sure of the mechanism by which traits were passed on, he did not believe that evolution necessarily moved toward greater complexity, according to Understanding Evolution - rather, he believed that complexity arose through natural selection. Darwin's critics raised a major objection to his theory that the actions of selection would inevitably deplete variation in populations and make it impossible for natural selection to continue, He could not explain how variation maintained, because he did not understand the mechanics of inheritance, The solution of these problems required an understanding of genetics, which was not available for another half-century.
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