CELL STRUCTURES AND FUNCTION
CELL DIVISION
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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How many chromosomes does a normal human body cell have?
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42
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46
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24
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64
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Explanation:
Detailed explanation-1: -Humans typically have 23 pairs of chromosomes, or 46 chromosomes in total. Chromosomes are made up of long strands of DNA, which contain all the body’s genes.
Detailed explanation-2: -Humans have 46 chromosomes in each diploid cell. Among those, there are two sex-determining chromosomes, and 22 pairs of autosomal, or non-sex, chromosomes. The total number of chromosomes in diploid cells is described as 2n, which is twice the number of chromosomes in a haploid cell (n).
Detailed explanation-3: -Human cells normally contain 23 pairs of chromosomes, for a total of 46 chromosomes in each cell .
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