How does DNA help humans?

Answer 1

DNA works very like a computer program. Simplifying a little, a computer program goes something like:

MOVE TO SCREEN POSITION 200,500

USE COLOR red

DRAW LINE TO POSITION 400,250

Likewise, DNA (simplifying a lot again), goes something like:

AFFECT upper_throat

TAKE molecules_a BUILD protein_a

TAKE molecules_b BUILD protein_c

Like a computer, our cells build things according to these instructions. Like a computer, all of these instructions interact in complex ways, so you start off with simple things like lines or proteins, and end up with complex things like Avatar movies and lungs.

Basically, your DNA is the instructions that built you.

Answer 2

DNA carries the genetic information that determines our physical traits, such as eye color and hair texture. It also plays a crucial role in the functioning of cells, providing instructions for making proteins that are essential for various metabolic processes in the body. Additionally, DNA is passed down from parents to offspring, allowing for the transmission of genetic information from one generation to the next.