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4.Principles of Inheritance and Variation
normal
If somatic cells of a human male contain single barrbody, the genetic composition of the person would be
A
$XYY$
B
$XXY$
C
$XO$
D
$XXXY$
Solution
(b)Human male has $44 + XY$ and without barrbody; It is associated with $X$ chromosome of female, if male has one barrbody then it has $XXY$.
Standard 12
Biology
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