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Nitrogen bases in DNA strands and variety found in nature

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What are some of the benefits of squeezing so much data into virtually every cell in the body?

Why did we not evolve with one central repository of DNA rather than having it replicated throughout the body?

Assume that the hereditary information carried in genes and DNA is responsible for a lot of the differences we observe in humans and other living things. How could just four different bases in DNA strands be responsible for the almost endless variety found in nature?

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1. Life emerges as a single cell, which is the result of the union of an egg and a sperm, with a single DNA strand. Such a DNA strand contains a complete representation of all aspects related to the physiology of a living organism. It also contains information regarding the process of formation of the body of an organism by repeated cell divisions, starting from a single cell. Each cell will be provided with information regarding when it should split into two identical cells, split into different kinds of cell in order to enable tissue differentiation, cease to grow when the body or a particular organ reaches maturity, and grow afresh in order to replace the lost tissue due to injury. The complete information regarding all the above mentioned aspects is encoded into a single molecule. Squeezing such huge amount of data into each and every cell in the body has certain ...

Solution Summary

1. Life emerges as a single cell, which is the result of the union of an egg and a sperm, with a single DNA strand. Such a DNA strand contains a complete representation of all aspects related to the physiology of a living organism. Squeezing such huge amount of data into each and every cell in the body has certain benefits such as autonomy and protection.

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