How do Mendel's experiment show the traits may be dominant or recessive ?

How do mendel's experiments show that gene may be dominant or recessive?

How do Mendel's experiment show that traits inherited independently ?

How heterosis may be lost?

How do mendel's experiments proved that traits are inherited independently?

In the following pedigree chart, state if the trait is autosomal dominant, autosomal recessive or sex linked. Give a reason for your answer.