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The most common type of ALD (adrenoleukodystrophy) is X-linked ALD. Than means that the gene for ALD is on the X chromosome.
Because boys have only one X chromosome, if it has the ALD gene on it they will have the disease.
Girls have two X chromosomes, so, in order to get ALD both of their X chromosomes would have to have an ALD gene. That would mean that both her father and her mother would have to have an ALD gene. Because males with ALD die before they can have children this would not happen. So girls don't get this type of ALD.
There are other, more rare types of ALD that affect both boys and girls. So, all in all, fewer girls have ALD
What else can I help you with?
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why do girls like to get boys in trouble
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Yes !! boys like girls are amazing
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you should talk about what you have in common
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That depends on the boys taste. Some boys may or may not like indie girls.
Do Mexican boys like Mexican girls or do the boys like Indian girls?
it depends on what he's into.
