General Genetic Principles

21 - 30 of 105 Answers

March 26, 2014: Why do cells age?
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March 13, 2014: Is there a genetic link between lactose intolerance and alcohol intolerance?
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February 28, 2014: In the wet lab of the Genetics exhibit at The Tech Museum, I added jellyfish DNA to a bacteria to make it glow.  What part of the jellyfish did the samples come from? The bell, tentacles, etc.
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August 29, 2013: Both parents have brown eyes and brown hair. They have twins and one has brown hair and blue eyes while the other have blonde hair and blue eyes. Which features are dominant and how do you know?
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May 30, 2013: My dad has crooked pinkies.  My mom does not.  All of my brothers and sisters have crooked except for one of my brothers.  Why is it that he doesn't have crooked pinkies?
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May 8, 2013: What makes a gene, a gene? I know it needs to have nucleotide sequences such as TATAAA that encode for proteins and a gene needs to also have a function but is this it?
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April 24, 2013: I have identical twin daughters, one of whom has recently had a baby.  The question now puzzling us is - could the baby's aunt theoretically ever have been her mother? In other words, are the 2,000,000 eggs created by identical twin girls the same or ever the same?
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March 27, 2013: In people with one dominant and one recessive gene, does the recessive gene not make anything?  If so, does the dominant gene stop the recessive gene from making anything?  Or, does the recessive gene make a broken protein?  If the recessive gene makes something, shouldn’t it be incompletely dominant or co-dominant?
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January 24, 2013: Does "junk DNA" have a specific purpose?
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November 20, 2012: I have seen numbers about how often closely related people in different parts of the world have kids together.  How do they get those numbers?  Do they just look through marriage records or is there some way to see it in their DNA?
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