LABORATORY REVIEW
MITOSIS AND MEIOSIS
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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90
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180
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45
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60
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Detailed explanation-1: -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-2: -Humans, like many other species, are called ‘diploid’. This is because our chromosomes exist in matching pairs – with one chromosome of each pair being inherited from each biological parent. Every cell in the human body contains 23 pairs of such chromosomes; our diploid number is therefore 46, our ‘haploid’ number 23.
Detailed explanation-3: -If a diploid cell contains 40 chromosomes, then the haploid cell contains 20 number of chromosomes. The haploid cells contain half the number of chromosomes as the diploid cells. Thus, if a diploid cell contains 40 chromosomes, then the haploid cell will contain 20 chromosomes.
Detailed explanation-4: -Glossary of ploidy numbers The haploid number (half of 48) is 24.