What do genes contain the code for?

Genes contain the code for life. They contain your physical traits as well as your mental traits. Most people think about physical traits when they think of genes, like eye color, hair color, height, and skin color.

Genes are short sections of DNA. Genes carry information for particular characteristics, such as ear shape or eye colour. Different sets of genes carry information for different characteristics. There are many genes in a chromosome.

i'd say that the moon rock is about 2.2 billion years old.