It is already right to say that we human beings have a DNA sequence that forms individuality. Studies reveal that some sequences are very similar to different species, including, for example, fruits and vegetables. However, is it really true that 50% of human DNA is shared with bananas? The Human Genome Research Institute cleared up this mystery.
See below important information about similar DNA theory
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According to the Human Genome Research Institute, the big mistake started when people started to analyze only the genes, and not the complete DNA to affirm this theory.
DNA itself concerns the building blocks of genes, i.e. genes are a portion of that DNA that make up specific proteins for the body, for example for hair, eye and skin color.
Therefore, all genes are DNA, but not all DNA is genes. So when we say about this high percentage compared to bananas and humans, we are talking about the gene sequence being similar. So we share about 44.1% with bananas.
We are even much closer to chimpanzees. Studies say that human DNA is 99% similar to that of chimpanzees. In relation to bananas, we only have a sequence of similar amino acids.
With fruit flies, for example, scientists say we share 60% of our DNA, mostly that related to growth. However, about 75% of human disease-causing genes also come from fruit flies.
With rats, this percentage reaches 67%. Including similarities in the circulatory, reproductive, digestive, hormonal and nervous systems. The development of sperm and ovum is also similar.
With domestic cats, we share 90% of our DNA. With cows, 80% and with chickens, 60%. When it comes to lettuce, for example, the same mistake occurs in the case of bananas, as it is not 99%, but 30% to 40%.