Mitochondrial DNA (mtDNA) holds a unique role in tracing maternal ancestry because it is inherited solely from the mother. Unlike nuclear DNA, which comes from both parents, mtDNA passes unchanged down the maternal line, making it a reliable marker for identifying maternal heritage. This DNA is found in the mitochondria, the cell’s energy producers, and…
Month: May 2026
Understanding the Difference Between Common Colds and Persistent Hay Fever
Understanding the Difference Between Common Colds and Persistent Hay Fever If you’ve been blowing your nose for three weeks and reaching for yet another box of decongestants, well, you’re likely not battling a cold. In fact, it’s common for people to spend weeks trying to get over an illness that they don’t even have; allergic…