Question

How do traits get expressed?

Answer 1

Presence of genes on chromose in male and female gametes, together decide which trait will be expressed in the progeny.

Answer 2

Traits or characteristics, which are passed on from parents to their offspring generation to generation r controlled by genes. Due to the difference in genetic makeup human populations show a great deal of variations in expressions of various traits. Eg.. Height, skin colour, shape of nose, etc...