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2022-03-27 20:18:45 +02:00
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@@ -47,10 +47,11 @@
- evolutionary variations result from random mutations, being random genetic changes, followed by natural selection. - evolutionary variations result from random mutations, being random genetic changes, followed by natural selection.
- #push [[systems view of evolution]] - #push [[systems view of evolution]]
- recognizes three major avenues of evolution: - recognizes three major avenues of evolution:
- [[random mutation of genes]] -
- [[random mutations]] == [[genetic mutations]]
- most mutations are harmful, few lead to positive variations - most mutations are harmful, few lead to positive variations
- note that one bacteria can become [[billions]] in just one day - note that one bacteria can become [[billions]] in just one day
- [[horizontal genetic transfer]] - [[horizontal genetic transfer]] == [[gene trading]]
- [[bacteria]] freely trade genes, swap genes with each other - [[bacteria]] freely trade genes, swap genes with each other
- global trading of genes (!) - global trading of genes (!)
- [[lynn margulis]] - [[lynn margulis]]
@@ -67,7 +68,8 @@
- [[evolution through symbiosis]] - [[evolution through symbiosis]]
- [[lynn margulis]] as well - [[lynn margulis]] as well
- hypothesis: long term [[symbiosis]] involving [[bacteria]] and other [[microorganisms]] as hosts/guests led to complex life - hypothesis: long term [[symbiosis]] involving [[bacteria]] and other [[microorganisms]] as hosts/guests led to complex life
- [[acquring genomes]] - [[acquiring genomes]]
- compares organisms to [[corporations]] - compares organisms to [[corporations]]
- -
-
- [[lecture 5]] - [[lecture 5]]