As a result of first cleavage, the zygote divides:

Explanation

As result of first cleavage, the zygote divides vertically into two daughter cells. In the process of cleavage, which follows fertilization, the zygote undergoes a series of rapid cell divisions. During the first cleavage, the zygote typically divides into two daughter cells. These early cleavages are characterized by rapid, successive rounds of cell division, and the resulting cells are called blastomeres.The first cleavage can be described as a vertical or longitudinal division, resulting in two blastomeres. These blastomeres are initially undifferentiated and have the same genetic material as the original zygote. Over subsequent cleavage divisions, the blastomeres continue to divide and give rise to a multicellular structure called a morula, which eventually develops into a blastocyst in mammals.The blastocyst is a more advanced stage of embryonic development that consists of an outer layer of cells (the trophoblast) and an inner cell mass. The inner cell mass eventually gives rise to the embryo proper, while the trophoblast is involved in the formation of the placenta.