23. How is hemophilia
treated? Why is hemophilia
rare in females?

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Hemophilia is medically with
administration of VIII, in case
hemophilia A, or factor IX, in of
hemophilia B, means of blood
fresh frozen plasma .

Hemophilia, A or , is an X-linked
inheritance and for girl to be
it is necessary both of
her chromosomes to be while
boys, that only one X
, are more easily .
A girl with one affected
chromosome not present the
since the normal of the
unaffected X chromosome
produces clotting factor.