DNA Basics

1 - 10 of 29 Answers

December 13, 2017: Why do I sometimes see 6 billion base pairs of DNA and sometimes 3 billion base pairs of DNA for the human genome?
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April 18, 2017: What does Amino Acid Alteration p.Asp113Asn mean?
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August 16, 2016: How does a mutation in DNA cause a disease like sickle cell anemia?
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October 1, 2015: Why don’t silent mutations cause problems? What makes them silent?
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January 28, 2015: I learned in class that chromosomes get shorter every time a cell divides and that most cancers get around this with something called telomerase. How does telomerase work and how do cancers that don't use telomerase keep dividing?
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March 26, 2014: Why do cells age?
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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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January 24, 2013: Does "junk DNA" have a specific purpose?
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March 14, 2012: What is the big difference about the X and Y chromosomes that make the difference between male and female people? Do the cells just generate differently?
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March 1, 2011: How can two drastically different cell types share the same genes?
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