HealthChromosome transplant to sidestep genetic disease To prevent disease caused by mutant mitochondrial DNA, just swap out egg chromosomes ¿ìè¶ÌÊÓÆµ
LifeDefenceless rat proves knockout in lab The creation of a rat with no functioning immune system is opening up the possibility of more realistic testing of cancer treatments, transplantation techniques and other therapies ¿ìè¶ÌÊÓÆµ