Multiple Choice
In a diploid organism with a total of 46 chromosomes, how many homologous chromosome pairs are present in a somatic cell?
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12. Meiosis
Homologous Chromosomes
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How many chromosomes does a diploid human cell contain?
A
92
B
23
C
69
D
46
Verified step by step guidance1
Understand the concept of diploid cells: Diploid cells contain two complete sets of chromosomes, one from each parent. In humans, this is the typical state of somatic (body) cells.
Recall the number of chromosomes in a human diploid cell: Humans have 23 pairs of chromosomes, which means there are two sets of 23 chromosomes.
Calculate the total number of chromosomes: Multiply the number of pairs by 2 to account for both sets. This is represented as 23 pairs × 2 = 46 chromosomes.
Recognize that the number 46 represents the total number of chromosomes in a diploid human cell, which includes both autosomes and sex chromosomes.
Verify the answer by comparing it to the options provided: The correct number of chromosomes in a diploid human cell is 46, which matches one of the given options.
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