Scelta multipla
How many chromosomes do human body cells contain after meiosis?
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29. Heredity
Overview of Human Genetics
Scelta multipla
How many total chromosomes does a human body (somatic) cell have?
A
46
B
92
C
23
D
69
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Understand that human somatic cells are diploid, meaning they contain two sets of chromosomes, one from each parent.
Recall that each set of chromosomes in humans consists of 23 chromosomes, which includes 22 autosomes and 1 sex chromosome.
Calculate the total number of chromosomes in a somatic cell by multiplying the number of chromosomes in one set by two: 23 chromosomes/set × 2 sets.
Recognize that the total number of chromosomes in a human somatic cell is the sum of both sets.
Conclude that the total number of chromosomes in a human somatic cell is 46.
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