“Designer baby” cures sister

Tests on Molly Nash, the 6 year old in the United States who received an umbilical cord blood transplant from her newborn brother, Adam, have shown that she does now carry bone marrow cells.

The results of the bone marrow aspiration test came 21 days after specialists at the University of Minnesota carried out the transplant to treat Molly's Fanconi's anaemia.

“Molly's blood counts have steadily increased over the past week, indicating bone marrow recovery,” said Dr John Wagner. “The test over the last few days shows that there is …