Question

Q. Why do you like the ancestors of modern man?
Ans.​

Answer 1

Answer:

Our evolutionary history is written into our genome?. The human genome looks the way it does because of all the genetic changes that have affected our ancestors. The exact origin of modern humans has long been a topic of debate.

KEY FACTModern humans originated in Africa within the past 200,000 years and evolved from their most likely recent common ancestor, Homo erectus.

Modern humans (Homo sapiens), the species? that we are, means ‘wise man’ in Latin. Our species is the only surviving species of the genus Homo but where we came from has been a topic of much debate. Modern humans originated in Africa within the past 200,000 years and evolved from their most likely recent common ancestor, Homo erectus, which means ‘upright man’ in Latin. Homo erectus is an extinct species of human that lived between 1.9 million and 135,000 years ago.

Historically, two key models have been put forward to explain the evolution? of Homo sapiens. These are the ‘out of Africa’ model and the ‘multi-regional’ model. The ‘out of Africa’ model is currently the most widely accepted model. It proposes that Homo sapiens evolved in Africa before migrating across the world.

On the other hand, the ‘multi-regional’ model proposes that the evolution of Homo sapiens took place in a number of places over a long period of time. The intermingling of the various populations eventually led to the single Homo sapiens species we see today.

“Current genomic evidence supports a single ‘out-of Africa’ migration of modern humans.

This is still very much an area of active research, however, current genomic evidence supports a single ‘out-of Africa’ migration of modern humans rather than the ‘multi-regional’ model. Although, studies of the genomes? of the extinct hominids Neanderthals and Denisovans suggest that there was some mixing of genomes (1-3 per cent) with humans in Europe and Asia. This interbreeding between two previously separated populations is called ‘admixture’ and results in a mixing of genes? between the populations.

Explanation:

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Answer 2

Answer:

Explanation:

• The Neanderthals are the extent species of human Homo.
• They were closely related to modern humans.
• The remains of Neanderthals were bone and stone tools, they were found in Eurasia, from Western Europe to central and Northnern Asia.
• Cro-Magnon is the common name that has been used to describe the first early modern humans.
• The  earliest known remains of Cro-Magnon like humans are radiocarbon dated to 43000 years before present.
• I like ancestors of modern because- all genetic changes that have affected our ancestors.
• Ardipithecus is the earliest known genus of human.
• All the people living today belong to the species Homo sapiens.

Hence, we like the ancestors of modern man.

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