I think it is beneficial since they both benefit in some way from the relationship.
Answer:
A.
Tall eyes - genotype
Short eyes - genotype
Tall eyes - phenotype
B. The hospital made a mistake because the combinations all have T in them, which is dominant. The combination has to have tt for the baby to have short eyes. But tt is not a possible combination in this situation. So it is not possible for the baby to have short eyes, however tall eyes are possible.
Answer: Does the black sqaure represent disease? If so, emma is #1. As for the others i think i need more context
Explanation:
It allows the scientist to determine the age of the rock it is in