The answer is O.
Since blood type A and B are codominant, it means that the people who have blood type AB only have genes of A and B. They do not have the gene for blood type O.
We can be sure that the child will not have blood type O by constructing a Punnett square. We can list all the possible genotypes thus predict their phenotypes. The capital letters represent the genotypes of parents, while others are the positive genotypes of offsprings.
From this, we can see that the only possible blood types their child could have are A, B, or AB. So, O is not possible.
Answer:
While researchers have discovered that there are an excessive number of receptor sites for dopamine, it is not the only neurotransmitter involved in schizophrenia.
Explanation:
Fewer landfills is the best answer here. Landfills are built on wildlife habitat, so having less plastic in the trash means less plastic in landfills, which means fewer landfills, which means less habitat loss due to the construction of landfills.