The child contains or is able to recieve both type a and b. the child obtained this from her parents.
For this information to be true, that would mean freckles is a dominant trait, and to not have freckles is a recessive trait. So that means if even someone's genotype has both the freckle and the no freckle gene, their phenotype will be freckles.
The answer is four bonds because they can use one electron for each bond.
Hope that helped :)
Where are the many similarities..?