Chapter 17 Trivial Facts Eramus Darwin based his conclusions regarding common desecent on changes undergone by animal during development, artificial selection by humans, and the presence of vestigial organs. Lamarck’s theory of inheritance of acquired characteristics is no longer a valid and accepted theory, presumes that changes to somatic cells are inheritable (inherit sunburn), and is not supported by modern day knowledge of genetic inheritance. Darwin collected fossil remains of an armadillo-like animal on the east coast of South America. Darwin speculated that Patagonian hare resembled a rabbit because the two type of animals were adapted to the same type of environment. Mendel’s theories about genetic inheritance did not contribute to Darwin’s development of the
This is the end of the preview. Sign up
access the rest of the document.
This note was uploaded on 01/30/2010 for the course BIOL 1 taught by Professor Iwanaga during the Fall '08 term at Mt. SAC.