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GENETICS AND MECHANISMS OF EVOLUTION - Coggle Diagram
GENETICS AND MECHANISMS OF EVOLUTION
HISTORY OF LIFE ON EARTH
First multicellular eukaryotes
1.3 bya
Cambrian explosion
535-525 mya
First eukaryotes (singled celled)
1.8 bya
Colonization of land by fungi plants and animals
500 mya
First Prokaryotes (singled celled)
3.5 bya
Present
Earth formed
4.6 bya
ORIGIN OF SPECIES
Speition
Allopatric (Geographical isolation)
Sytmpatric
habital
ecological
polyploidy
Reproductive barriers
prezygotic
postzygotic
EVOLUTION OF POPULATIONS
Deviation
causes
gene flow
mutation
non-random mating
genetic drift
Selection
types
directional
disruptive
stabilizing
Microevolution
changes in allele frequencies
MENDELIN GENETICS
Single gene
Codominance
Multiple alleles
Incomplete dominance of either allele
Pleiotrophy
Complete dominance of 1 allele
Two or more gene
Epistasis
Polygenic inheritance
DARWINIAN THEORY
Adaptation
Natural selection
MENDEL'S LAW
Segragation
Independent assortment
VIRUS
DNA structure
Double Helix
Anti-parrallel Strands
MEIOSIS
Metaphase I
Anaphase I
Prophase I
VIRUS
Lytic
Lysogenic
Viral genomes (DNA or RNA)