A new type of cat coat color has officially been discovered. Named salmiak, or ‘salty liquorice,’ the cats have hair strands ...

The main difficulty in estimating rates of mutation involves the fact that DNA changes are extremely rare events and can only be detected on a background of identical DNA. Because biological ...

Changes to short stretches of nucleotides are called gene-level mutations, because these mutations affect the specific genes that provide instructions for various functional molecules, including ...