"Unveiling the Mystery: The Truth Behind Inherited Mitochondria"

A recent study sequencing the genes in human sperm cells found no intact mitochondrial DNA (mtDNA) before fertilization, supporting the theory that only maternal mtDNA is passed down. The study suggests that the absence of male mtDNA in sperm cells may be due to their rapid energy consumption, which could lead to the accumulation of mutations. In contrast, egg cells do not rely on their own mitochondria for energy and instead obtain it from neighboring cells. The findings may help researchers understand fertility disorders and develop targeted treatments for mitochondrial DNA mutations.