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July 25, 2018:
Is there a particular gene that controls size of mammals? For example, could you manipulate a particular gene in an elephant to miniaturize it?
November 9, 2015:
Could gene editing give humans the ability to regrow lost limbs? And, could it be possible to edit adult human phenotype? In other words, change body/facial bone structure etc.
April 22, 2014:
I went to a genetics workshop and they talked about altering the genes, in a cat with cancer for example, so that the cancer would glow and they could observe where it traveled. They didn't get a chance to get into the process so how does that work? How would you get the luminescent DNA into all of the cancer cells?
June 26, 2013:
Woman A is in menopause and cannot produce eggs. Take the eggs out of woman B, strip out woman B's DNA and put in woman A's DNA. Then take the new eggs and fertilize with man A's sperm. Then implant those fertilized eggs into woman B to carry to full term. Would the resulting baby be man and woman A's full biological child?
November 17, 2010:
I have heard that the ART (artificial reproductive technology) procedure ICSI, where a sperm is injected directly into an egg, can result in genetic abnormalities in the resulting fetus. Can you tell me about them? How common are they?
December 16, 2009:
How do scientists figure out that a certain gene is involved in a certain trait? Like, how did they find the blue eye gene?
November 20, 2008:
Could Ebola and cold viruses combine to make some sort of supervirus?
June 19, 2008: How could you make a lab designed gene? Is it possible?
March 29, 2005:
Can human DNA be "spliced"with animal DNA while in the womb creating a literal chimera, like a half man, half beast? If this is possible do you think it will ever become as common in the general public as tatoos?
December 2, 2004: Hello- I have a 1 year old son. I would love to have a daughter next. Is there anything that you know of that I can do to push the odds of having a girl???
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