Science Questions

Sun, 20th Nov 2005

Part of the show Genetics, DNA Extraction and the Human Genome Project

Question

Rose in Peterborough asked:

How many different types of DNA can you get?

Answer

There are two answers to this question. One is that there is only a single type of DNA, as it's all made up of the same basic codes. However, there are certain sub-types of DNA. These include cDNA, which stands for coding DNA, and single stranded DNA, which looks like a ladder cut in half.

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