Gregor mendel contribute to the study of biology by careful objective study of
a- pedigrees
b- bacteria
c- heredity
d- environment

i think the answer is b eurasian plate

i said i think

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.