Type of cell division that reduces chromosome number by half, creating four haploid cells.

Importance of Meiosis

Genetic diversity through recombination and independent assortment.

Uncontrolled cell division due to mutations.

Mass of cells growing uncontrollably.

Tumor Suppressor Genes

Genes that regulate cell growth and division; prevent cancer.

Programmed cell death; removes damaged cells.

Checkpoints in Cell Cycle

Control mechanisms in eukaryotic cells which ensure proper division of the cell.

The process where the cytoplasm of a single eukaryotic cell is divided to form two daughter cells.

Stage of mitosis where chromosomes align in the center of the cell.

Final stage of mitosis where nuclear membranes form around each set of chromosomes.

Stage of mitosis where sister chromatids separate and move to opposite poles of the cell.

First stage of mitosis where chromatin condenses into visible chromosomes and the mitotic spindle begins to form.

Protein structures that help separate the chromosomes during mitosis.

Genetic Recombination

Process by which genetic material is broken and joined to other genetic material during meiosis.

One of two identical halves of a replicated chromosome.

Phase of the cell cycle where the cell prepares for division by growing and replicating its DNA.

Region of a chromosome where the two sister chromatids attach.

First stage of mitosis where chromatin condenses into visible chromosomes and the mitotic spindle begins to form.

Stage of mitosis where chromosomes line up at the cell's equatorial plate.

Final stage of mitosis where chromosomes arrive at opposite poles and begin to de-condense.

Structure of nucleic acids and protein found in the nucleus, carrying genetic information in the form of genes.

Division of the cytoplasm to form two separate daughter cells after mitosis.

Phase of the cell cycle where DNA is replicated.

First phase of the cell cycle, where the cell grows and synthesizes proteins necessary for cell division.

Protein structures that help separate the chromosomes during mitosis and meiosis.

Cell Cycle Regulation

Mechanisms that ensure the proper timing and order of cell cycle events, preventing uncontrolled cell division.

Region of a chromosome where the two sister chromatids attach.

Control mechanisms in the cell cycle that ensure proper division of the cell.

Stage of mitosis where chromosomes align in the center of the cell.

Stage of mitosis where sister chromatids are pulled apart to opposite poles of the cell.

Second gap phase of the cell cycle, where the cell prepares for mitosis.

containing an unmatched, half set of chromosomes

containing a full, matched set of chromosomes

process of cell division that makes 2 identical daughter cells

process of chromosome reduction which produces 4 haploid daughter cells

Cell Cycle and Meiosis Concepts Flashcards

Student preview

43 questions

Show all answers

1.

FLASHCARD QUESTION

Front

Cell Cycle

Back

Series of events in a cell leading to its division and duplication.

2.

FLASHCARD QUESTION

Front

Phases of Cell Cycle

Back

G1, S, G2, M

3.

FLASHCARD QUESTION

Front

G1 Phase

Back

Cell growth and preparation for DNA replication.

4.

FLASHCARD QUESTION

Front

S Phase

Back

DNA replication occurs.

5.

FLASHCARD QUESTION

Front

G2 Phase

Back

Preparation for mitosis; cell growth continues.

6.

FLASHCARD QUESTION

Front

M Phase

Back

Mitosis and cytokinesis; cell division.

7.

FLASHCARD QUESTION

Front

Crossing Over

Back

Exchange of genetic material between homologous chromosomes during meiosis.

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