Error message  Dominant vs. Recessive  I've always wondered what
role a grandparent plays in the traits of his or her
grandchildren. For example, I have blonde hair and blue eyes; my
mother and father have brown hair and hazel eyes and black hair
and blue eyes, respectively. What kind of effect would this have
on my children? If, say, my wife was also blonde and blue-eyed,
would it somehow lessen the chances of our children being blonde
and blue-eyed?  -A graduate student from New Jersey  January 5,
2012  Yes, grandparents' genes can affect how their
grandchildren look. After all, grandchildren get 25% of their
genes from each of their grandparents. And genes have the
instructions for how we look (and most everything else about
us).  So your kids will definitely inherit some of your parents'
genes. Which means they will inherit some of their looks too.
But obviously not every trait that your parents have will be
passed down to your kids. Your kids won't be clones after all!
Their looks will come from the co