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1 - 10 of 69 Answers

March 9, 2020: I’ve read your brilliant explanation of dyslexia from 2009, and wondered if there was any more recent information.
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March 6, 2020: I wanted to know how X inactivation and inheritance of X-linked recessive diseases in females are linked. For example, how do female carriers of colour blindness have normal vision?
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March 6, 2020: I wanted to know how X inactivation and inheritance of X-linked recessive diseases in females are linked. For example, how do female carriers of colour blindness have normal vision?
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July 15, 2019: My brothers have bronchial asthma and my parents kept on saying they inherited it from my paternal grandfather, who had bronchial asthma, too. Is that possible? What type of inheritance pattern is it?
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May 7, 2018: What are the chances that a child will end up with fragile x if mom is a fragile x carrier with 63 cgg repeat and 1 agg interruption?
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March 23, 2018: None of my family is colorblind in the last 3 generations, except me (I am male). I believe that it’s a genetic mutation that just happened to make me colorblind. Is this the most likely explanation?
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October 18, 2017: Dad is color blind, mom isn’t. They have 2 daughters and both are not color blind. When the girls marry someone who isn’t color blind, will their kids be color blind?
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June 28, 2017: I have sickle cell trait and my husband does not. We have had two children with sickle cell trait. Does that mean our third one will not?
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March 7, 2017: Can a baby be born lactose intolerant?
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February 27, 2017: I am worried about familial ALS because I have rs3849942(A;A). Does this mean I for sure will end up with ALS?
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