Laws allowing for partial DNA donations for women whose genes predispose their children to mitochondrial disease are due to enter their third day of debate. The bill is commonly referred to as Maeve’s Law after five-year-old Maeve Hood who has a severe type of mitochondrial disease which was diagnosed at 18 months. Her Leigh syndrome diagnosis means Maeve might not live past her next birthday. More than 50 children are born with mitochondrial diseases each year. The treatment involves replacing mitochondrial DNA from the mother with healthy mitochondrial DNA from the egg of a donor, allowing them to have a biological child who would not inherit a predisposition to the disease. Senators spoke into both Tuesday and Wednesday night on the bill, with the sitting time extended on both days. Thursday is the last chance of the Senate to pass the bill before readjourning at the end of March for …