Tagged: DNA

How bacteria rule over your body

The human microbiota consists of the 10-100 trillion symbiotic microbial cells harbored by each person, primarily bacteria in the gut; the human microbiome consists of the genes these cells harbor. Microbiome projects worldwide have...

Do cellphones cause cancer?

Cell phones are more widespread than ever, and the debate about whether they can cause brain cancer continues unabated. With the results of each new study, scientists and advocates on both sides of the...

Secrets of the X chromosome

The sequence of DNA that we inherit from our parents encodes directions for making our cells and giving us specific traits. Identical twins have the same DNA sequence, so how can one twin end...