If Orangutan’s share 97% of their DNA with humans, how are we so radically different?

Question

What goes on in that 3% it DNA, and what similarities do we share in the 97%?

In: Biology

Answer 1

The vast majority of the DNA is about how mammalian cells work. Brain, immune systems, the organs, etc. What’s left is the details, which are important but relatively not so much information.

Take a look at the skeleton of a dot or cat and you can identify many of the bones that match with the same bones in your own body. Sure, they’re different lengths, different shapes, but there a huge amount of correspondence.