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What is the Cell Cycle?

What is the Cell Cycle?

The cell cycle refers to the sequence of events occurring throughout a typical cell’s life. In eukaryotic cells, the somatic cell cycle has two stages: the interphase and the mitotic phase. During interphase, the cell grows, performs its basic metabolic functions, copies its DNA, and prepares for mitotic cell division. Then, during mitosis and cytokinesis, the cell divides its nuclear and cytoplasmic materials, respectively. This generates two daughter cells that are identical to the original...

What is the Cell Cycle?

What is the Cell Cycle?

The cell cycle refers to the sequence of events occurring throughout a typical cell’s life. In eukaryotic cells, the somatic cell cycle has two stages: interphase and the mitotic phase. During interphase, the cell grows, performs its basic metabolic functions, copies its DNA, and prepares for mitotic cell division. Then, during mitosis and cytokinesis, the cell divides its nuclear and cytoplasmic materials, respectively. This generates two daughter cells that are identical to the original...

What is the Cell Cycle?

What is the Cell Cycle?

The cell cycle refers to the sequence of events occurring throughout a typical cell’s life. In eukaryotic cells, the somatic cell cycle has two stages: the interphase and the mitotic phase. During interphase, the cell grows, performs its basic metabolic functions, copies its DNA, and prepares for mitotic cell division. Then, during mitosis and cytokinesis, the cell divides its nuclear and cytoplasmic materials, respectively. This generates two daughter cells that are identical to the original...

What is the Cell Cycle?

What is the Cell Cycle?

The cell cycle refers to the sequence of events occurring throughout a typical cell’s life. In eukaryotic cells, the somatic cell cycle has two stages: interphase and the mitotic phase. During interphase, the cell grows, performs its basic metabolic functions, copies its DNA, and prepares for mitotic cell division. Then, during mitosis and cytokinesis, the cell divides its nuclear and cytoplasmic materials, respectively. This generates two daughter cells that are identical to the original...

The Cell Cycle Control System

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The cell cycle regulation directs how a cell proceeds from one phase to the next and begins mitosis. The cell cycle control system includes intracellular regulatory molecules and external triggers. They provide "stop" or "advance" signals and operate at specific cell cycle stages termed checkpoints to ensure that a particular process is completed before the cell advances to the next phase.
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The cell cycle is an organized set of events that leads the cell to divide into two daughter cells, each containing chromosomes identical to the parent cell. It is the cell cycle that leads to the formation of an entire organism from a single-cell zygote. Besides, cell division also functions in the renewal or repair of tissues in adult multicellular eukaryotes. For example, in the bone marrow, the stem cells divide to form new blood cells. Although essential for several functions, cell...

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Related Experiment Video

Updated: May 24, 2026

Cell Cycle Analysis in the C. elegans Germline with the Thymidine Analog EdU

Cell Cycle Analysis in the C. elegans Germline with the Thymidine Analog EdU

Published on: October 22, 2018

Germ cell sex and cell cycle.

D C Miles¹, P S Western

¹Monash Institute of Medical Research, Centre of Reproduction and Development, Clayton, Victoria, Australia.

Histology and Histopathology

|March 1, 2012

Summary

Understanding germ line development is key to reproduction. This review covers molecular processes guiding early male and female germ cell development in mice, crucial for genetic inheritance.

Area of Science:

Developmental biology
Reproductive biology
Genetics

Background:

Germ cells transmit genetic and epigenetic information across generations.
Early germ line development and gamete production are complex and not fully understood.
Primordial germ cells migrate to bipotential gonads and differentiate based on the gonadal environment.

Purpose of the Study:

To review progress in understanding the molecular mechanisms of early male and female germ line development.
To elucidate the foundational processes for spermatogenesis and oogenesis.

Main Methods:

Literature review of studies on germ line development in mice.
Analysis of molecular and cellular events during early germ cell differentiation.

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Transgenic Rodent Assay for Quantifying Male Germ Cell Mutant Frequency

Transgenic Rodent Assay for Quantifying Male Germ Cell Mutant Frequency

Published on: August 6, 2014

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Last Updated: May 24, 2026

Cell Cycle Analysis in the C. elegans Germline with the Thymidine Analog EdU

Cell Cycle Analysis in the C. elegans Germline with the Thymidine Analog EdU

Published on: October 22, 2018

Transgenic Rodent Assay for Quantifying Male Germ Cell Mutant Frequency

Transgenic Rodent Assay for Quantifying Male Germ Cell Mutant Frequency

Published on: August 6, 2014

Main Results:

Germ cells enter the bipotential gonad at embryonic day 10.5 (E10.5).
The testicular or ovarian micro-environment directs germ cells towards spermatogenesis or oogenesis.
Key molecular pathways governing germ cell commitment are being identified.

Conclusions:

Significant progress has been made in understanding early germ line development.
Further research into molecular processes is essential for comprehending gametogenesis and its potential disruptions.