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A human skin cell contains 46 chromosomes. How many chromosomes are present in a human egg cell after meiosis?
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12. Meiosis
Introduction to Meiosis
Scelta multipla
In humans, haploid cells contain how many chromosomes in each cell?
A
46 chromosomes
B
12 chromosomes
C
23 chromosomes
D
92 chromosomes
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Understand the concept of haploid cells: In humans, haploid cells are those that contain a single set of chromosomes. These are typically the gametes, such as sperm and egg cells.
Recall the diploid number of chromosomes in humans: Humans have a diploid number of 46 chromosomes, which means that somatic (non-reproductive) cells contain 23 pairs of chromosomes.
Determine the number of chromosomes in haploid cells: Since haploid cells contain only one set of chromosomes, they have half the number of chromosomes found in diploid cells.
Calculate the haploid number: Divide the diploid number of chromosomes (46) by 2 to find the haploid number.
Conclude the number of chromosomes in human haploid cells: The result of the division gives the number of chromosomes in haploid cells, which is 23.
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