The brain stem connects the brain with the

Little brain would be cerebellum and big brain would be cerebrum. If looked grossly, the brain seems to be composed of a big and small portion. But if you divide it based on function, the big brain would have much more part because it has many functions.

Explanation:

hope it mark me as brainlieast.

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.