11 - 20 of 48 Answers
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?
September 15, 2009:
I just read an article about a South African teenage girl who was asked to take a gender test after winning an 800-meter race by a huge margin over the other runners. The article said that the gender testing was a very complex procedure. Why is it complex? Wouldn't a simple genetic test for a Y chromosome answer the question?
November 6, 2008:
Where do different skin colors come from?