Two important contributions that cleavage makes to development are to
A) establish the basic tissues of the body and define the future nervous system.
B) create a multicellular embryo and partition the embryo into developmental regions.
C) create a multicellular embryo and establish the basic tissues of the body.
D) establish the basic body plan and determine the location of the mouth and anus.

Question

Quizplus · Accepted Answer

Cleavage contributes to development by creating a multicellular embryo from a single-celled zygote and partitioning the embryo into regions that will develop into different parts of the organism. It does not directly establish basic tissues or define the nervous system, nor does it establish the basic body plan or determine the location of the mouth and anus at this early stage.

Two Important Contributions That Cleavage Makes to Development Are to