Are mass and weight the same?

no

Explanation:

because:Your mass is the same no matter where you go in the universe; your weight, on the other hand, changes from place to place. Mass is measured in kilograms; even though we usually talk about weight in kilograms, strictly speaking it should be measured in newtons, the units of force.

answer; i believe that the correct answer is ; males are hemizygous for the x chromosome;