Characteristics is a whole different ball game.
Yes,the mom and dads personalities will have effect on the chick.
again,gentics and breeds.
Yes she has no capability of her offsprings egg size.
The egg system prepares a perfect egg,so it can store the chick in it.So yes,she has no control of...
Not neccasarily.
A hen has a system that makes the eggs.They can't even determine egg size,nor color.
Really,genetics,breed is what does this.
For example,a EE.
This breed is bred with several other breeds (Not gonna list all,but 1),1 could possibly be the Red Jungle fowl,which explains...