Genetic Material From Three People Combined In Novel Procedure to Prevent Mitochondrial Disease

UK Takes Step Toward "Three-Parent Babies" by Laura Smith-Spark.  CNN.  June 28, 2013.

(1)  Why, strictly speaking, is the procedure explained in the article does not result in a "three-parent baby?"

(2)  Mitochondrial disorder can lead to serious health issues such as ____________________________.

(3)  The procedure would involve transferring _______________ from a mother's _____________
into a ______________ that has had it ____________________removed.

(4)  What are two ethical arguments against this procedure?  Designer babies?  Slippery slope "risk to society at large" argument