Why can’t human males be carriers for sex linked (x-linked) disorders?

This is because the X chromosome is large and contains many more genes than the smaller Y chromosome. In a sex-linked disease, it is usually males who are affected because they have a single copy of X chromosome that carries the mutation.

Explanation:

according to jean piaget, in what stage of cognitive development are children able to understand conservation task?

b. preoperational

just took it

blue light is scattered in different directions by the tiny molecules of air. blue is scattered more than other colours because it has a shorter distance to travel which results in smaller waves. this is why we see a blue sky most of the time.