jan 1, 1989 - PGD first invented
Description:
Alan Handyside first used PGD (preimplantation genetic diagnosis) to try to find the gene defects in the X chromosome that caused cystic fibrosis. His rudimentary methods have since been developed to screen a higher number of genes at a higher accuracy rate.Added to timeline:
Date:
jan 1, 1989
Now
~ 37 years ago