Every parent wants their child to be just like them, but new research shows that dads may have an advantage at least from a genetic standpoint.
According to a study by the University of North Carolina’s School of Medicine and published in the journal Nature Genetics, mammals use more DNA from the father than the mother when undergoing mutations — the genetic process that makes us who we are.
The researchers, led by genetics professor and senior author Fernando Pardo-Manuel de Villena, tested the genetic mutations of specially crossbred mice to see which mutations altered gene expression. Of the 80% that did, several hundred genes showed a “genome-wide expression imbalance in favor of the dad,” first author James Crowley told Science Daily. “This imbalance resulted in offspring whose brain-gene expression was significantly more like their father’s.”
The authors believe a similar bias would exist for human subjects. Pardo-Manuel de Villena called the results “an exceptional new research finding that opens the door to an entirely new area of exploration in human genetics.”
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