Answer:
Nothing.
Explanation:
You just have a brown haired child, it means nothing.
I need to see said graph but to my understanding most under weight babies are born early so their body is not fully developed but as an slightly over sized baby myself the biggest problem was for my mom because she had to have a c section because I was too big to come out the normal way
by the way c section stands for Cesarean section
hope all this helps
5 is C -- mutation.
I can't read all of 6-- sorry!