General Genetic Principles
21 - 30 of 108 Answers
August 19, 2014:
I read on your site that a recessive trait is often the result of a broken gene. I can’t seem to figure out why a broken gene would lead to the green peas in Mendel’s famous experiment. Do they know why yellow is dominant over green?
July 16, 2014:
If I have one child that is homozygous for A1298C and the other child is homozygous for C677T. Are my husband and I both compound heterozygotes for sure? Or, is it possible to be both homozygous for one mutation and either heterozygous or homozygous for the other?
May 29, 2014:
If a female (XX) has a baby with a "supermale" (XYY), is the baby more likely to be male? I couldn't find any studies on this...
March 26, 2014:
Why do cells age?
March 13, 2014:
Is there a genetic link between lactose intolerance and alcohol intolerance?
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.
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?
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?
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?
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?