Search Results | DNA
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How Gene Pools Work
science.howstuffworks.com/life/genetic/gene-pool.htm
The physical you is a result of your DNA, and your DNA is part of the human gene pool. Find out what the "gene pool" really is and what happens when it shrinks.
Chimerism: You Can Be Your Own Twin
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Tetragametic chimerism occurs when a single organism has two genetically distinct types of DNA.
Who’s Your Daddy? The History of Paternity Testing
science.howstuffworks.com/life/genetic/history-paternity-testing.htm
Before the widespread use of DNA, establishing the paternity of a child was a tricky business. Ever heard of the oscillophore?
Can scientists clone dinosaurs?
science.howstuffworks.com/environmental/earth/geology/dinosaur-cloning.htm
Dinosaur cloning was first popularized in the movie 'Jurassic Park.' Read about the science of cloning dinosaurs and where we might find dinosaur DNA.
Eve Gene: Do We All Descend From a Common Female Ancestor?
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A common female ancestor could be what all humans can trace their lineage to. Learn more about the common female ancestor and Mitochondrial Eve.
How Cells Work
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The human body is composed of about 10 trillion cells. Everything from reproduction to infections to repairing a broken bone happens down at the cellular level. Find out all about cells.
What have we learned from the Human Genome Project?
science.howstuffworks.com/life/genetic/human-genome-project-results.htm
The Human Genome Project revealed how the 3.2 billion base pairs contained in the human genome are ordered. Learn more about the Human Genome Project.
How does your body know the difference between dominant and recessive genes?
science.howstuffworks.com/life/genetic/question669.htm
Ever since I took biology in high school I have wondered -- why do humans (and plants and animals) have two of every gene, and why is one "dominant" and the other "recessive"? How does my body know which one is dominant? How does it pick between the
How Impression Evidence Works
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Impression evidence is an important and sometimes overlooked aspect of the criminal investigation process. Find out about impression evidence here.
Prokaryotic vs. Eukaryotic Cells: What's the Difference?
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Prokaryotic cells are like single-room efficiency apartments while eukaryotic cells are like mansions with many rooms — and they are the only two kinds of cells in the world.