Because everything scientists do or see is put out where the whole world can see. But if they don’t do it accurately then they get proved wrong or even lose their job. And the more accurate an answer is the more opportunity they have to venture and see more Han what they already know.
See attached image for most common formula of sulfuric acid.
The X chromosome from the father with hemophilia will have the hemophilia gene. The girl also gets an X chromosome from her mother. If she gets the normal X chromosome, the girl will be a carrier.
