What are the distinguishing features of the hominin lineage? A. Bipedalism and d

Question

What are the distinguishing features of the hominin lineage? A. Bipedalism and dentition B. Bipedalism and big brains C. Big brains and dentition D. Big brains only Which of the following is TRUE regarding the possible interbreeding between the human and Neanderthal species? A. B. C. Neanderthals share a common ancestor with humans about 250,000 years ago. Both species originated in Africa and migrated to Europe and Asia about 100,000 years ago. Modern humans are more closely related to Neanderthals than to early Homo sapiens since there was extensive interbreeding between humans and Neanderthals about 35,000 years ago. A limited amount of variation has been passed from Homo neanderthalensis to Eurasian populations of Homo sapiens as a result of interbreeding that probably took place in the Near East at some point within the past 100,000 years. There is no evidence of hybridization between Neanderthals and modern humans. Both bone mtDNA and genomics studies ruled out such interbreeding. D.

Explanation / Answer

1) Bipedalism and big brains ,  Some characteristics that have distinguished hominins from other primates, living and extinct, are their erect posture, bipedal locomotion, larger brains, and behavioral characteristics

2) B) Modern humans are more closely related to neanderthals than to early homo sapiens since there was extensive interbreeding between humans and neanderthals about 35,000 years ago

Neanderthals have contributed approximately 1-4% of the genomes of non-African modern humans, although a modern human who lived about 40,000 years ago has been found to have between 6-9% Neanderthal DNA . About 2 per cent of many people’s genomes today is made up of Neanderthal DNA, a result of interbreeding between the two species that can be seen in everyone except people from sub-Saharan Africa.

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