Consider the following statements about DNA 1 DNA is the hereditary material in all living org...........

General Science (Easy) Biology

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Consider the following statements about DNA:

1. DNA is the hereditary material in all living organisms.

2. In humans, DNA is only found in Nucleus of a cell.

Which of the above statement(s) is/are incorrect?

1 only

2 only

Both 1 and 2

Neither 1 nor 2

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Explanation:

1 is wrong as, DNA is not hereditary material in all living organisms. In some viruses, RNA acts as hereditary material. 2 is wrong as DNAs are also found in Mitochondria, called Mitochondrial DNA. Mitochondrial DNA is only a small portion of the DNA in a eukaryotic cell.