explain Down Syndrome?????
Riya1122333:
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see pg no 91 of ncert textbook
down syndrome is the genetic problem after addition of an additional copy of chromosome no. 21
symptoms palm crease,congenital heart disease etc
thanks
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see pg no 91 of ncert textbook
down syndrome is the genetic problem after addition of an additional copy of chromosome no. 21
symptoms palm crease,congenital heart disease etc
thanks
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i dint got it........
in ncert of 12
kk
hii
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