If human genomes are 99.9% similar explain how gel electrophoresis can be used to identify individuals and rule out suspects. Use the diagram on the left to support your answer.

Ocean waves move up and down in circles, but transmit horizontally toward the shore.

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?

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.