You're able to "fill in the gaps" of a puzzle or partial image by grasping their ?

that is a club

explanation:

i am good at it i think hope its right

1. xy is a male, and xx is a female.

2.the mutation occurs when chromosomes are defected by an harfull radiation ,alpha,beta,gama etc . the cause break in chromosome .

there are certain syndromes were product of this .

also from parential generation some mutation are there.

3.it would be a recessive trait

4.mutations do not necessarily always have to be bad, sometimes plants or animals mutate with something to the situation they are in.