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Lecture 38

BIOL 3200 Lecture Notes - Lecture 38: Hms Beagle, Heredity, Second Voyage Of Hms Beagle

Course Code
BIOL 3200
Jan Sapp

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BIOL 3200
Lecture 38
Theodor Eimer compared this to kaleidoscopes, he said:
As soon as the original arrangement of parts of an organism changes,
the rest of the parts are also set in motion
All parents rearrange themselves, and a new species is formed
Just like in kaleidoscope, when it is turned and one particle falls, the rest
are also disturbed and they arrange themselves into a new figure
- St. George Jackson Mivart: combined Saltationism with teleological principles to
account for evolution
- Richard Owen said there could be 2 types of variations with 2 different causes:
1. Changes within a species could be the result of accidental cause
2. Discontinuous variations that could be directed along a predetermined path
- T.H Huxley appealed to Saltationis, ee though Dari isisted that ature
does ot ake jups
- All the hype about Saltationism provided settings for the rediscovery of
Medel’s las
- William Bateson advanced idea that evolution progressed with sudden leaps
He coied ter geetics
- Wilhel Johase coied ters geotpe, pheotpe, gee
- Thomas Hunt Morgan founded the Drosophila school that developed Mendelian
chromosome theory
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