Studies of the immune response to an infection caused by microorganisms would be performed by a(n) .

explanation:

plz give me the characteristics.

but there is no

i guess you forgot putting it.

an organism's phenotype is the  form of a trait  that it  displays. for  flowercolor, a pea  plant  can  display  a phenotype of purple or white flowers. an organism's  genotype  is the alleles of a gene it contains. based on his data, mendel concluded that a phenotype can be  determined  by more than one  genotype.