chromosome alterations leading to speciation T. 25 final exam.txt

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Author:
rincrocci
ID:
122674
Filename:
chromosome alterations leading to speciation T. 25 final exam.txt
Updated:
2011-12-11 11:30:48
Tags:
mutations leading speciation
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evol bio
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  1. Deletions
    • Loss of chrom in parasitic roundworm Ascaris Meglocephala
    • lead to smallest diploid genome (2n=2)
  2. Duplications
    Complete genome doubling lead to LARGEST known # of mammalian chrom in Argentine red viscacha rat, Tympanoctonys barrerae (2n=102)
  3. Inversions
    several small populations of Australian grasshopper Keyacris scurra
  4. Translocations
    fission & fusion events separated chinese muntjac deer Muntiacus reevesi (2n=46) from the Indian Muntiacus muntjak (2n = 6 or 7)

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