If a cell has 46 chromosomes, the number of centrosomes that it would have when it is in metaphase is 2.
Centrosome is an organelle, near the nucleus in the cytoplasm of most organisms, that controls the organization of its microtubules.
The centrosome is responsible for organizing the microtubules that actually separate chromosomes.
Prior to cell division, the centrosome duplicates and then, as division begins, the two centrosomes move to opposite ends of the cell.
Proteins called microtubules organize into a spindle between the two centrosomes and help separate the replicated chromosomes into the daughter cells.
Therefore, if a cell has 46 chromosomes, the number of centrosomes that it would have when it is in metaphase is 2.
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