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11 - 20 of 26 Answers

January 23, 2015: Why do mosquitoes chase me and not my friends?
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February 5, 2014: Is there any way for a gay couple to have a child that is their own?
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May 15, 2013: A female egg has 23 chromosomes and a male sperm also has 23 chromosomes, which is equal to 46 chromosomes and a viable embryo.  What if you took the genetic material out of an egg and put it into another egg? You'd still have 46 chromosomes and that's all that's needed, right?  The resulting offspring would be guaranteed female but wouldn't 46 chromosomes still result in viable embryo as well? Even if it's from two eggs instead of an egg and sperm? 
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October 24, 2012: How many different combinations of people are possible? I suppose it should be the number of genes multiplied by the number of alleles per gene, is that correct?  
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February 16, 2012: Is it ever possible for a person or an animal to have one biological parent rather than two?
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August 31, 2011: Why do zebras have two different colors (black and white)? What color is dominant or recessive?
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June 22, 2011: I've had a hysterectomy but my daughter wants to harvest her eggs for me and my husband so we can have a child of our very own! If I use my daughter's eggs, can HER father's DNA be removed from the egg, leaving only my DNA? Then when my husband fertilizes the egg, it'll be 100% our child together. Is that possible?
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June 14, 2011: Do clones have anything in common other than the way they look?
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April 27, 2010: Is it possible to create a gene of wings and literally put them in the DNA of a human?
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April 7, 2010: As a geneticist, what do you think of the Starchild skull? In case you don't know, this is the 900 year old skull found in Mexico that might be half alien and half human.
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