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 pedigree  



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Author3 Posts
  #1

A pregnant lady is concerned about her child having SCD. She already has one child diagnosed with SCD. What should the physician tell her about her second child?

a) no chance
b) 25% chance of having SCD
c) 50% chance SCD
d) 25% chance of being a carrier
e) 100% chance of being a carrier
f) cant tell




  #2

If SCD stands for sickle cell disease, then it is autosomal recessive, there is a 25% chance for the next offspring to have it. So b


  #3

correct, its sickle cell disease. I appologize for abrev.





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