Explain why generally only the male child suffers from colour blindness and not the female?

Name two types of passive transport.

Which gland secretes thyroxine? What will happen if the secretion of thyroxine is insufficient?

The given figure shows a cell. Study the figure and answer the questions that follows.

(a) Identify the stage of cell cycle depicted by the cell.

(b) Write any two characteristic of this phase.

(c) Identify A and B.