What is a designer baby?

A designer baby is a baby that was made in vitro using the best possible genes for it parents in hopes of it being born perfect or based on what the percentage prefer. These genes can vary from the sex of the baby to the way it thinks. 

My sources: 

Dictionary.com. Dictionary.com, n.d. Web. 05 Jan. 2016. <http://dictionary.reference.com/browse/designer-baby> 

 "The Embryo Project Encyclopedia." Ethics of Designer Babies. N.p., n.d. Web. 05 Jan. 2016. <https://embryo.asu.edu/pages/ethics-designer-babies>.