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In a diploid organism, how many homologous chromosomes does each somatic cell have?
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12. Meiosis
Homologous Chromosomes
Scelta multipla
In humans, how many chromosomes are present in non-reproductive cells, which contain homologous pairs?
A
92 chromosomes
B
46 chromosomes
C
69 chromosomes
D
23 chromosomes
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Understand that non-reproductive cells in humans are called somatic cells. These cells contain homologous pairs of chromosomes.
Recall that humans have a diploid number of chromosomes, which means they have two sets of chromosomes, one from each parent.
Each set contains 23 chromosomes, so the total number of chromosomes in a somatic cell is the sum of these two sets.
Use the formula for calculating the total number of chromosomes in a diploid cell: \( \text{Total chromosomes} = 2 imes \text{number of chromosomes in one set} \).
Substitute the number of chromosomes in one set (23) into the formula to find the total number of chromosomes in a human somatic cell.
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