I believe the answer may be commensalism. This is a relationship between two organisms where one of the organism benefits from the relationship, but the other is neither harmed nor helped.
Answer: BIOLOGICAL PARENTS
Explanation: Heredity and intelligence have been found to be linked,recent studies have shown that Heredity has a very strong relationship with intelligent which has been rated up to about 80%.
Intelligence has been described by different authors to be emotional knowledge, Understanding etc, Zelda,will have a similar intelligence as her Biological parents because intelligence has been found to have a strong Genetic relationship.
It is impossible in this case because both partners have homozygous alleles. The child will have Ww and because W has complete dominance the child will have a widows peak
Jk rowling could not of just thought of all that hog warts stuff by herself so it had to be a real thing. it’s just tooooo detailed to be fake