SFS1b. 1. What surgical procedure is performed by a skilled doctor (usually a pathologist) and determines the cause of
death of a corpse?
a. Autopsy
b. Amputation
C. Medical review
d. Heart transplant

it doesn't. it was imagined up in the middle ages.

i would say

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