3 doctors weighed in:

What causes galactosemia in young women?

3 doctors weighed in
Dr. James Ferguson
Pediatrics
2 doctors agree

In brief: Missing enzyme

Gene defects can be passed from unaffected parents to their kids if it takes 2 pieces, one from each parent, for the mistake to cause symptoms.
In galactosemia, the gene pair responsible for making galactose is defective, so it is not made = causes galactose to build up in the kid = galactose-emia (galactose in the blood).

In brief: Missing enzyme

Gene defects can be passed from unaffected parents to their kids if it takes 2 pieces, one from each parent, for the mistake to cause symptoms.
In galactosemia, the gene pair responsible for making galactose is defective, so it is not made = causes galactose to build up in the kid = galactose-emia (galactose in the blood).
Dr. James Ferguson
Dr. James Ferguson
Thank
Read more answers from doctors