If someone burns paper then pours water on it, is it a physical or chemical change?

Color blindness is a recessive trait. the gene for color blindness is on the x chromosome. the family tree below shows the trait of color blindness. the only unknown is the mother in the first generation

Drag each label to the correct location. each label can be moved more than once match the properties with the subatomic particle

Ialready know the answers to these questions and they are on the attachment. but i just need to know why that answer is the correct one. plz asap! this is for a report that i need to email by 10!