Answers Biology A The Living Earth A Unit Test — Unit testQuestion 1

1

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Unit Test — Unit test

Question 1 of 25 • Biology A (The Living Earth A)

How many genes make up the human genome?

Answer

A

four: adenine, thymine, guanine, and cytosine

B

23 pairs of genes

C

20,000–25,000 genes

D

3 billion genes

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