Multiple choice

Which of the following is an incorrect statement regarding the human genome?

  1. Human DNA is not identical to chimpanzees.

  2. On unwinding, the strands of DNA in one cell would stretch 6 feet.

  3. Human genome is composed of more than 3 billion nucleotide bases.

  4. Order of the nucleotide bases contains the instructions for making an organism.
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A Correct answer
Explanation

Human DNA is 98% identical to chimpanzees. The average amount of genetic difference between any 2 chimpanzees is 4 or 5 times more than the average difference between any 2 humans.

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