In Classical Experiments Done Half a Century Ago, the Cells

Multiple Choice

In classical experiments done half a century ago, the cells of early frog embryos were disaggregated and later reaggregated in desired combinations. The cells managed to rearrange and sort themselves out into an overall arrangement similar to that of a normal embryo. This effect is mainly due to …

A) chemotactic cell motility.
B) asymmetric cell division.
C) cell adhesion.
D) convergent extension.
E) lateral inhibition.