Multiple Choice
In a diploid organism, how many homologous chromosomes are present in each somatic cell?
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12. Meiosis
Homologous Chromosomes
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In a diploid organism, if a cell has 23 pairs of homologous chromosomes, how many total chromosomes does this cell have?
A
23 chromosomes
B
92 chromosomes
C
46 chromosomes
D
69 chromosomes
Verified step by step guidance1
Understand that a diploid organism has two sets of chromosomes, one from each parent. This means each pair of homologous chromosomes consists of two chromosomes.
Identify that the problem states there are 23 pairs of homologous chromosomes in the cell.
Calculate the total number of chromosomes by multiplying the number of pairs by 2, since each pair consists of two chromosomes.
Use the formula: Total chromosomes = Number of pairs × 2.
Substitute the given number of pairs (23) into the formula: Total chromosomes = 23 × 2.
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