Reacciones de síntesis descripción

Are the earth's ocean floor and continents the same age geologically? why or why not?

Dna. we have heard that we are a product of our dna. but where is it? how do we "get" our dna? it is passed to us, from our parents, but in what form? several vocabulary words associated with inheritance are used interchangeably and sometimes, incorrectly. let's see if you can clear this up for someone just learning about inheritance and cell structure.

Can someone i have no idea of how to do this.