DNA Basics

21 - 29 of 29 Answers

August 3, 2004: Does DNA account for only physical attributes of a human being, or can it also carry an emotional history from one generation to the next? I am wondering if the psychological damage of slavery for African Americans, for example, is carried forward into current generations on not only a psychological basis, but also a physical one.
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July 23, 2004: If a person has a total gender reassignment - (sex change) no matter how extreme the operation goes with hormone injections etc; on a DNA level, the sex of that person is absolute?
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June 16, 2004: I have a bunch of questions about genes, their locations on chromosomes, and "junk" DNA. Do genes on one chromosome have some functional characteristic or are genes scattered across chromosomes without regard to their function? How important is the position of a gene within the DNA? Have any experiments been done to show whether "junk" DNA is important?
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June 14, 2004: How does DNA replicate itself?
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May 28, 2004: Who discovered DNA? What does DNA look like? What does DNA do? How does DNA replicate?
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May 28, 2004: What does DNA do?
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May 28, 2004: What is DNA made of?
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March 27, 2004: If all the cells in my body have the same DNA, then why don't all my cells look the same?
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January 1, 2003: DNA
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