Each parent contributes a set ... We've now zoomed in enough to see portions of the DNA strand. The DNA is wrapped around histones -- protein structures that are sometimes depicted as discs.

Each time a cell divides, the two resulting daughter cells must contain exactly the same genetic information, or DNA, as the parent cell. To accomplish this, each strand of existing DNA acts as a ...

DNA analysis is crucial for identifying individuals and their relatives, using technologies like PCR, electrophoresis, and ...

The unique combination of alleles that all sexually reproducing organisms receive from their parents is ... of two homologous DNA strands, precise breakage of each strand, equal exchange of ...

For the first time, scientists have witnessed the very moment DNA begins to unravel, revealing a necessary molecular event for DNA to be the molecule that codes all life.

TComparison of a single-stranded RNA and a double-stranded DNA with their corresponding nucleobases (Image ... determines the genetic traits of an organism and is passed down from parent to offspring ...