Genes and Junk Do you remember learning about Junk DNA when you took Biology in high school? The term was used to described 98% of the human genome that doesn’t make up its approximately 22,000 genes. We used to think that Junk DNA didn’t serve a purpose, but that was before we discovered special elements … Continue reading UCLA Scientists Find 3000 New Genes in “Junk DNA” of Immune Stem Cells