who were the ancestors of the present day
Answers
The domestic chicken is thought to have it’s origins in SE Asia. That was between 7,000–10,000 years ago. It reached the China by 7,000 years ago. The Middle East by 4,000 years ago, Egypt by 3,000. The Mediterranean by 2800 years ago.
It looks like the Red Junglefowl is it’s main wild relative, but the Grey Junglefowl and others may have contributed some as well. The yellow skin may be from the the Grey.
“A phylogenetic analysis, however, demonstrates that though the white skin allele originates from the red junglefowl, the yellow skin allele originates from a different species, most likely the grey junglefowl.”
“On the basis of observed character differences and cross-breeding experiments, Darwin concluded that domestic chickens were derived solely from the red junglefowl, though this was later challenged by Hutt [1], who stated that as many as four different species of junglefowls may have contributed to chicken domestication. Molecular studies of mtDNA and retroviral insertions have supported Darwin’s view. A study that analyzed both repeat nuclear elements and mitochondrial sequences found evidence that grey and Ceylon junglefowls may hybridize with domestic chickens, but did not provide evidence that these two species have contributed to chicken domestication.” Identification of the Yellow Skin Gene Reveals a Hybrid Origin of the Domestic Chicken
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Ancestors of present humans (homo sapiens) :
Australopithecus
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