How do cells know how to develop within a multicellular organism? A. They all develop in exactly the same way. B. They receive instructions in their DNA. C. They follow a pattern that comes from outside the cell. D. They learn as they go along.

Question

How do cells know how to develop within a multicellular organism?	    A. They all develop in exactly the same way.    B. They receive instructions in their DNA.    C. They follow a pattern that comes from outside the cell.    D. They learn as they go along.

kira_yamato · Answer

Under usual circumstances, they receive instructions from the DNA, which comes from the differential switching of genes. But in reality, up to the 8-cell stage, the cells would receive maternal signals. However, since we are looking at the best possible answer, I would say B