Which organelle clearly identify an animal cell

In cell biology, an organelle is a specialized subunit within a cell that has a specific function. Individual organelles are usually separately enclosed within their own lipid bilayers. The name organelle comes from the idea that these structures are to cells what an organ is to the body (hence the name organelle, the suffix-elle being a diminutive).

answer; i believe that the correct answer is ; males are hemizygous for the x chromosome;