Most donor egg/sperm children grow up knowing their origins, just as adopted children do. Even today in 2006, DNA test kits with private mail order results are available for $100. Imagine what will be available in 20 years.
Designer children where you can pick gender and eye color so one doesn't have to be "burdened" with a child that doesn't fit their idea of a perfect one
Yeah who needs moral absolutes
/sar