You would be surprised to learn that despite the seemingly high amount of diversity in our facial features, height, weight, hair and eye color, skin color, bone structure, we don’t have high amount of diversity. In past, scientists have mentioned that there are more genetic diversity among chimpanzees than two human beings. Recently, researchers took the discussions related to diversity one step further and discovered that wheat has more genetic diversity than us which is interesting to say the least.
Biodiversity is the concept of different kinds of organisms living in a certain part of the ecosystem which includes different kinds of plants, animals and other members. In order to understand the biodiversity in a given area, scientists often rely on the number of organisms live in a given area. However, recently, researchers have taken a different approach as they are currently relying on genetic diversity to form accurate idea about biodiversity of a given area.
In past, scientists revealed that we as species have far less genes than others. For example, while some species have nearly 400,000 genes, we humans have only 25,000 genes. If you were wondering about the short number, then you should consider that the genes alter according to environment of a given area.
Interestingly, researchers have suggested that a possible devastating event in the past might have contributed towards a massive extinction which left the humanity with a small number of survivors to repopulate. For example, an eruption of a super-volcano in Indonesia blocked out the sunlight for five or six years which might have created a massive ice-age in the past. While there are different theories suggesting different numbers, it’s commonly believed that the number of humans went down to only 1,000 to 10,000 couples which explains the lack of genetic diversity in human species.
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