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Which process produces body (somatic) cells for growth and tissue repair in multicellular organisms?
A
Fertilization
B
Crossing over
C
Mitosis
D
Meiosis
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1
Understand the question is asking about the process that produces body (somatic) cells specifically for growth and tissue repair in multicellular organisms.
Recall that fertilization is the fusion of gametes (sex cells) to form a zygote, so it is not involved in producing somatic cells.
Recognize that crossing over is a genetic recombination event during meiosis, not a process that produces somatic cells.
Identify meiosis as the process that produces gametes (sex cells) with half the chromosome number, not somatic cells.
Conclude that mitosis is the process by which a single cell divides to produce two genetically identical somatic cells, enabling growth and tissue repair.