module 8: phylogenETICS
Where Do Dogs
ORIGINATE FROM?
background information
- most variable mammal morphologically
- derived from carnivore families ~50mil yrs ago
- belong to Canidae family
- forms monophyletic group (clade)
Vilà et al. (1999). [Phylogenetic tree of carnivores] [image]. Journal of Heredity. https://doi.org/10.1093/jhered/90.1.71
STUDY
- 736 base pairs analyzed (cytochrome b gene)
- studies using nuclear markers
- allozyme
- 10 microsatellite loci
- region 1 of mitochondrial control region
- 261 base pairs
- dogs, gray wolves, Ethiopian wolves, golden jackals, coyotes
RESULTS
Vilà et al. (1999). [Table 1: Nuclear marker data] [image]. Journal of Heredity. https://doi.org/10.1093/jhered/90.1.71
- genetic distance smaller between wolves and dogs (Table 1)
- wolves direct ancestors of dogs
- sequence divergence values in cytochrome b gene 1.8%
Module 8 Infographic
Stephanie Hernandez
Created on November 22, 2022
Phylogeny of domestic dogs
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Transcript
module 8: phylogenETICS
Where Do Dogs
ORIGINATE FROM?
background information
Vilà et al. (1999). [Phylogenetic tree of carnivores] [image]. Journal of Heredity. https://doi.org/10.1093/jhered/90.1.71
STUDY
RESULTS
Vilà et al. (1999). [Table 1: Nuclear marker data] [image]. Journal of Heredity. https://doi.org/10.1093/jhered/90.1.71