What is mitosis?

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Prepare for the CSET Multiple Subjects Subtest 2. Dive into math and science with flashcards and multiple choice questions, each question offering hints and explanations. Gear up for your success!

Multiple Choice

What is mitosis?

Explanation:
Mitotic cell division is the process that evenly distributes a complete set of chromosomes into two new nuclei, forming two genetically identical daughter cells. Before mitosis, the DNA is replicated so each chromosome has two sister chromatids. During mitosis, chromosomes condense, align at the center, and the sister chromatids are separated into opposite ends of the cell. The cytoplasm then divides in cytokinesis, producing two separate daughter cells that are diploid—each with two sets of chromosomes, just like the original cell. This distinguishes mitosis from meiosis, which reduces the chromosome number to haploid gametes, and from DNA replication, which only duplicates DNA but doesn’t divide the cell.

Mitotic cell division is the process that evenly distributes a complete set of chromosomes into two new nuclei, forming two genetically identical daughter cells. Before mitosis, the DNA is replicated so each chromosome has two sister chromatids. During mitosis, chromosomes condense, align at the center, and the sister chromatids are separated into opposite ends of the cell. The cytoplasm then divides in cytokinesis, producing two separate daughter cells that are diploid—each with two sets of chromosomes, just like the original cell. This distinguishes mitosis from meiosis, which reduces the chromosome number to haploid gametes, and from DNA replication, which only duplicates DNA but doesn’t divide the cell.

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