Humber Admissions Practice Test

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How many chromosomes do haploid cells contain in humans?

  1. 46

  2. 23

  3. 44

  4. 22

The correct answer is: 23

Haploid cells contain half the number of chromosomes found in diploid cells. In humans, diploid cells have a total of 46 chromosomes, which is made up of 23 pairs. This means that haploid cells, such as sperm and egg cells, which are produced through meiosis, have only one set of chromosomes. Therefore, in humans, haploid cells contain 23 chromosomes. This distinction is crucial in understanding human genetics, as it ensures that when two haploid cells (sperm and egg) fuse during fertilization, the resulting zygote will have the appropriate diploid number of 46 chromosomes.

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