Other Genetic Principles

1 - 10 of 28 Answers

January 10, 2017: If a mutation in a muscle cell in right little finger occurs, does that same mutation occur in the left big toe muscles. When and how?
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April 29, 2015: I am a female carrier of a red/green colorblind gene and have read that there is a probability of 1/2 of having an affected son if the father has normal vision. I have four sons and all four are red/green colorblind. Why don’t two have normal vision?
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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?
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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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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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September 12, 2012: Do dogs have the same kind of DNA as humans?
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May 23, 2011: Please help me to understand how gene flow, natural selection, and genetic drift affect gene frequencies; in the simplest form. I am in a physcial anthropology class and am having a difficult time understanding this concept. Thank you.
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January 26, 2011: Why do children from the same parents have different heights, different eye colors, body builds, personalities, etc.?
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January 12, 2011: Are there ways for a boy to end up NOT colorblind when his mom is colorblind and his dad isn't?
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December 3, 2010: I just read about that bacteria that can live in arsenic. This is kind of cool but what's the big deal? It isn't really E.T. or anything.
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