Genetics and Cell Division

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What is DNA?

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DNA, or deoxyribonucleic acid, is the hereditary material in humans and almost all other organisms. It carries genetic information.

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What are chromosomes?

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Chromosomes are long DNA molecules with part or all of the genetic material of an organism. They are located in the nucleus of cells.

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What is mitosis?

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Mitosis is a process of cell division that results in two genetically identical daughter cells from a single parent cell.

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What are spindle fibers?

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Spindle fibers are structures that separate the chromosomes into the daughter cells during cell division.

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What are centromeres?

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Centromeres are the part of a chromosome that links sister chromatids. During mitosis, spindle fibers attach to the centromere.

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What is sexual reproduction?

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Sexual reproduction is a type of reproduction that involves the combination of genetic material from two parents to create genetically diverse offspring.

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What is asexual reproduction?

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Asexual reproduction is a type of reproduction that does not involve the fusion of gametes and results in offspring that are genetically identical to the parent.

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What is a chromatid?

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A chromatid is one half of a duplicated chromosome, which is joined to its sister chromatid at the centromere.