General Genetic Principles

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May 25, 2017: Why do potatoes have more chromosomes than humans?
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April 27, 2017: Our class is doing a project where we try to use dominant and recessive traits to figure out which celebrity we want to have kids with. Can you help me figure out how to do this with Punnett squares?
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April 18, 2017: What does Amino Acid Alteration p.Asp113Asn mean?
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March 29, 2017: Can someone be born with the sickle cell trait from a white mother who has Rh- blood?
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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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December 13, 2016: Does UV damage any part of the DNA or only a specific part? For example, can it damage a gene that codes for a protein involved in muscular contraction and paralyze us?
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August 16, 2016: How does a mutation in DNA cause a disease like sickle cell anemia?
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March 23, 2016: If a woman has two X chromosomes, how do we know which X chromosome each of her offspring has? She received one X from her mother and one X from her father. Will her offspring receive the X from her mother or the X from her father? Is there a 50/50 chance of either? Or does it depend upon the offspring's sex- i.e. females receive X chromosome donated from grandmother, males receive X chromosome donated from grandfather? Do we know for sure?
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October 1, 2015: Why don’t silent mutations cause problems? What makes them silent?
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June 16, 2015: I know that crossing over can happen along chromosomes, but can crossing over happen inside genes themselves? It seems from what I have read that it can’t.
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