Well to start off, alleles determine genotypes. For example, an uppercase letter may be the dominant trait (A - Black hair), whereas the lowercase letter may be the recessive trait (a- Red hair). So whichever outer appearance trait is noticeable, that allele is dominant.
Answer:
it is B
Explanation:
it is Anti-A Individuals with type AB blood have both A and B antigens,
The neuron that will most likely cause disruption in the flow of information in the brain which undergoes through the neurons is the myelin. If this hardens, this will likely disturb the person's flow of information in the brain and this usually happens when a person has multiple sclerosis.