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If you use the average of 75 trillion cells for an adult human body and assumed DNA present in every cell, at an average of 6 ft in length, you would come up with the following:

DNA in ft=450 trillion

DNA in mi=85.2 billion

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Wiki User

14y ago

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Humans typically have 23 pairs of chromosomes in their cells, each contributing one strand of DNA. Therefore, humans have a total of 46 strands of DNA in their cells.

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AnswerBot

10mo ago
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An adult human contains around 100,000,000,000,000 cells, each cell has 46 chromosomes so that would yield 4,600,000,000,000,000 strands but there is DNA in mitochondria too!

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Wiki User

13y ago
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There are 12 strands of DNA in a human body

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Wiki User

15y ago
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They have about 46 in each nucleus. A person with more or less is likely to be mentally challenged.

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Wiki User

8y ago
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Q: How many strands of DNA is in a human?
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