Author: Tina Hesman Saey / Source: Science News
Figuring out how many genes are in the human genetic instruction manual, or genome, isn’t as easy as scientists once thought. The very definition of a gene has changed since the completion of the Human Genome Project more than 15 years ago.
Genes used to be defined as stretches of DNA that contain instructions that are copied into RNA and then turned into proteins. Researchers still don’t entirely agree on how many of these protein-coding genes there are.
Estimates range from 19,901 to a new count of…The post A recount of human genes ups the number to at least 46,831 appeared first on FeedBox.