Multiple Choice
What characteristics do two homologous chromosomes share?
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12. Meiosis
Homologous Chromosomes
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In a diploid organism with a total of 46 chromosomes, how many homologous chromosome pairs are present in a somatic cell?
A
46 pairs
B
92 pairs
C
23 pairs
D
12 pairs
Verified step by step guidance1
Understand that a diploid organism has two sets of chromosomes, one from each parent. This means that each chromosome has a homologous partner.
Recognize that the total number of chromosomes in a diploid organism is given as 46. This includes both sets of chromosomes.
Divide the total number of chromosomes by 2 to find the number of homologous pairs. This is because each pair consists of two homologous chromosomes.
Calculate: \( \frac{46}{2} \) to determine the number of homologous chromosome pairs.
Conclude that the number of homologous chromosome pairs in a somatic cell of this organism is 23.
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