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Originally Posted by scastle
As I understand it, Gender selection is already allowed for medical reasons.
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as in carriers of certain diseases/disorders and the likely hood of being passed on depending on gender.
e.g.
A carrier female of an X-linked condition may pass on either of her X chromosomes to her children. On average, half of her sons will be affected, and half of her sons will not be affected. Half of her daughters will be carriers, and half will not be carriers and therefore will have no chance of having a child with the condition.
In that case, statisically it would be safer to have a girl because she would definitely not get the condition itself and would stand a 50% chance of being a carrier of the condition.