Multiple Choice
How many chromosomes does a typical human have in each somatic cell?
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29. Heredity
Overview of Human Genetics
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How many chromosomes do human body cells contain after meiosis?
A
92
B
46
C
69
D
23
Verified step by step guidance1
Understand the process of meiosis: Meiosis is a type of cell division that reduces the chromosome number by half, resulting in four daughter cells, each with half the number of chromosomes of the parent cell.
Recall the chromosome number in human body cells: Human somatic (body) cells are diploid, meaning they contain 46 chromosomes, which is 23 pairs.
Identify the goal of meiosis: The purpose of meiosis is to produce gametes (sperm and egg cells) that are haploid, meaning they contain half the number of chromosomes compared to somatic cells.
Calculate the chromosome number after meiosis: Since meiosis reduces the chromosome number by half, each gamete will contain 23 chromosomes.
Conclude with the chromosome number in gametes: After meiosis, human gametes contain 23 chromosomes, which is the haploid number.
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