ANSC 313 Lecture Notes - Lecture 7: South Asia, Central Asia, Y Chromosome
LECTURE 12
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Animal Domestication!
genetic changes that made animals favourable for human control!•
different from:!•
training!◦
taming!◦
captive breeding!◦
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origin go major species !
most from eurasia!•
dog might be from china!•
turkey is from central america!•
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why eurasia for so many species?!
only landmass with easy eat-west migration routes!•
other barriers!•
panama ( Americas)!◦
rain forest( Africa and south america)!◦
dessert ( africa)!◦
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Timeline when developed!
on hand out!•
Asia for most!•
lama and alpaca are from south America!•
donkey from africa!•
turkey from north america!•
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stages of domestication!
initial association with man!•
confinement!•
confinement with captive breeding!•
selective breeding and breed improvement!•
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degree of domestication!
minimal!•
raised commercially!◦
ranched/ farmed in large numbers!◦
under no or minimal artificial selection!◦
examples:!◦
elk!‣
bison!‣
fish!‣
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dog domestication!
the closest to living wild relative of the domestic dog is the gray wolf!•
brave enough to join human encampments!•
overly aggressive would be killed or driven away!•
archeological evidence!
domestic dog mandible near grave in germany!•
