Which describes a mendelian trait?
a. blood type in humans has several
different alleles.
b. plants can grow to a wide range of
heights.
c. humans either have attached
earlobes or detached earlobes.
d. human body mass is controlled by
many genes.

small, big, or no change could occur in the phenotype. it could cause something as simple as a cats ears to curl backwards or something as frighting as death. it could also occur in the protien-coding area and have an effect on that but no effect on the amino acids. what has to occur is a changing in the hox gene or the control gene.