Consider the following statements: 1. RNA is ribonucleic acid.
2. RNA is used for information transport (known as mRNA). Choose the correct answer from the given codes:
A Only 1
B Only 2
C Both
D Neither 1 nor 2
E None of the above

Only A

Explanation:

RNA is used for storing and transporting information through mostly virus only..

PGD is used to identify single gene defects such as cystic fibrosis, Tay-Sachs disease, sickle cell anemia, and Huntington disease. In such diseases, the abnormality is detectable with molecular techniques using polymerase chain reaction (PCR) amplification of DNA from a single cell.

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