11 - 20 of 50 Answers
August 28, 2012:
My mother has red hair, fair skin and freckles but her full brother has black hair and dark skin. No one ever believes that they are siblings because they look so different. How can this be possible?
March 21, 2012: I am wondering about intelligence and genetics. More specifically, the relationship between parent's intelligence and their offspring. If a really smart person and a not-so-smart person have a child, what is likely to happen genetically? Also, is intelligence more of a genetic or environmental trait?
November 10, 2011:
Can moderate amounts of exercise as a child make you taller as an adult?
December 8, 2010:
There are some people on YouTube and the internet who are saying that white people are just albinos with a different degree of albinism. How can I explain to them that they are scientifically wrong?
August 4, 2010:
So, everyone in my family has attached earlobes yet I came out with unattached earlobes. Why is that?
July 9, 2010:
My husband and I have wavy hair and we have a curly haired son and a son and daughter with straight hair. How does curly hair work?
February 4, 2010:
Are your traits equally passed on to each child or would your first child contain more direct features of you then, say your third?
January 22, 2010:
Can two parents with fair skin and blonde hair have a brown haired child with darker skin?
December 9, 2009:
Why don't I have freckles while my parents and brother and various aunts and uncles do?
October 7, 2009:
I understand that lack of sunshine led to Caucasians becoming pale because of lack of vitamin D. But how did it happen?