Michael is suffering from the flu. His mother prepares some soup for him, but he finds that the soup tastes bland. The perceived blandness happens because the receptors in his are affected by his congestion. That means the receptors can't combine with the receptors in his to sense the flavor of the soup.

after receiving a stimus, the sensory receptors send(s) signals to the appropriate area of the body.  

the must be sensory neurons.  

hope its .

the correct answer is b

multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).   so the answer is a.