During which of the following stages do cell lineages of identical genetic makeup become structurally and functionally different from one another according to the genetically controlled developmental program of the species?
A) cleavage
B) differentiation
C) blastula formation
D) metamorphosis
E) ovulation

Question

Quizplus · Accepted Answer

Cell differentiation is the stage in which cell lineages of identical genetic makeup become structurally and functionally different from one another according to the genetically controlled developmental program of the species. Cleavage is the stage in which the zygote undergoes rapid cell division without growth, blastula formation is the stage in which the embryo forms a hollow ball of cells, metamorphosis is the process of transformation from larva to adult in some animals, and ovulation is the release of a mature egg from the ovary in females.

During Which of the Following Stages Do Cell Lineages of Identical