A microscopic image that shows a genome being removed from a donor egg. 1. Manipulation pipette. 2. Donor egg. 3. Holding pipette. 4. Zona pellucida (encircling the egg). 5. Location of the oocyte genome (or nuclear DNA) before removal.
U.S. Democrats hope to turn their legal setback on Obamacare and contraception into a winning autumn campaign issue by pushing legislation requiring employers to include birth control in healthcare coverage.
On Wednesday night the New England Journal of Medicine published a study showing that a new, DNA-sequencing based blood test provides a dramatic improvement in accuracy at screening for Down’s syndrome and a second, related disease.