The powerhouse of a cell is mitochondria
The gene allows the body to produce a protein.
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Farming enabled people to grow all the food they needed in one place, with a much smaller group of people. This led to massive population growth, creating cities and trade.
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The resulting embryo will be an individual which has 47 chromosomes. Chromosome number need to be precise or it will drastically alter the development of the embryo. Trisomy 18 is known as de Edward´s syndrome. This condition is the second most common type of trisomy after down syndrome and is more common in females. The effect of these genetic disorder can vary among patient and depends on the extent of the extra copy, genetic history and other variables. Most newborn while die during the first days or couple of months.
I don’t know to be honest