Barcodes are commonly seen on products for sale in stores. However, in Adam Schneider’s plant taxonomy course, students are ...

Polymerase chain reaction, or PCR, is a laboratory technique used to make multiple copies of a segment ... a specific DNA target from a mixture of DNA molecules. First, two short DNA sequences ...

Genes determine whether you have brown eyes or blue, long toes or short ... charges attract, the DNA is pulled in toward the histones. A nucleosome is a segment of the DNA wrapped around a ...