Biology Cumulative Final Review

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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, essential for growth and asexual reproduction.

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What do gill slits in embryos indicate about fish and mammals?

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Gill slits in embryos suggest that fish and mammals share a distant common ancestor.

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What is the cell theory?

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The cell theory states that all living organisms are composed of cells, and all cells arise from pre-existing living cells.

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How does the male determine the sex of a child?

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The male determines the sex of a child by contributing one X and one Y chromosome.

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What is a dominant trait?

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A dominant trait is a genetic trait that is always expressed in the phenotype if present.

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What is cytokinesis?

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Cytokinesis is the process that follows mitosis, where the cytoplasm of a parental cell divides into two daughter cells.

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What is meiosis?

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Meiosis is a type of cell division that reduces the chromosome number by half, producing four genetically diverse gametes.

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What are chromosomes?

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Chromosomes are long strands of DNA wrapped around proteins, containing the genetic information of an organism.

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What is a recessive trait?

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A recessive trait is a genetic trait that is only expressed in the phenotype if two copies are present.

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What is the role of genes?

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Genes are segments of DNA that code for proteins, determining specific traits in an organism.