Easy one: Brown gene dominates over blue so parents only need one of 2 genes to be brown.Blue eyed infants must get one blue gene from both parents, so in this case both parents carry one blue gene. Nothing spooky here, just basic genetics.
Answered 12/28/2013
4.6k views
10 doctors weighed in across 2 answers
14 doctors weighed in across 2 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question