What is Cytokinesis?

It is followed by karyokinesis. It is the second and final stage of mitosis.  The word “cyto” means “cytoplasm” and “kinesis” means “division”. It refers to the division of cytoplasm into two daughter cells equally. It takes place differently in both plant and animal cells.

 

Difference Between Karyokinesis And Cytokinesis

very organism’s life begins with a single cell called a zygote. This zygote passes through numerous cell divisions, or mitosis, to develop into a multicellular organism. A cell divides into two stages: karyokinesis, which involves the division of the nucleus and cytokinesis- a division of the cytoplasm. This only means that during cell division, the chromosome-containing nucleus will split into two daughter cells before the cytoplasm and organelles are divided equally. The four stages of karyokinesis are prophase, metaphase, anaphase, and telophase. Cytokinesis denotes the division of the cytoplasm that occurs after these steps are finished. Animal and plant cells experience cytokinesis in diverse ways. The present article aims to take you through all the processes of karyokinesis and cytokinesis in a stepwise manner. Let’s start.

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Differences Between Karyokinesis and Cytokinesis

S.No Characteristics Karyokinesis Cytokinesis 1.  Definition It refers to the division of the nucleus containing.  chromosomes equally into two daughter cells. It refers to the division of cytoplasm and organelles.  the equally into two daughter cells. 2. Sequence The first step of cell division or mitosis The first step of cell division or mitosis 3. Complexity More complex as it consists of 4 stages Simpler 4. Dependency Independent   Dependant on karyokinesis 5.  Distribution It distributes chromosomal material in daughter cells It distributes cytoplasm and organelles in daughter cells 6. Events Spindle formation and movement of chromosomes Formation of cell plate or cleavage furrow 7. Speed Slower Faster 8. Constriction Nuclear membrane constricts  The cell membrane forms a cleavage furrow  that splits into daughter cells 9.  Types Two types (symmetric and asymmetric) No such types...

What is Karyokinesis?

It is the first step in mitosis. It is made up of two words- ‘Karyon‘ means nucleus and ‘kinesis’ means division. Thus, karyokinesis refers to the division of the nucleus containing chromosomes into two daughter cells equally. It involves four stages....

Symptoms of Karyokinesis:

Symptoms involving the changes that take place during karyokinesis are as follows:...

What is Cytokinesis?

It is followed by karyokinesis. It is the second and final stage of mitosis.  The word “cyto” means “cytoplasm” and “kinesis” means “division”. It refers to the division of cytoplasm into two daughter cells equally. It takes place differently in both plant and animal cells....

Types of Cytokinesis:

Cytokinesis is mainly of two kinds:...

Mechanism of Cytokinesis:

It involves the division of cytoplasm and organelles equally into two daughter cells. It is a dependent phase as it takes place only when karyokinesis has already taken place. It takes place differently in plants as well as animal cells. We will first study animal cells and after that plant cells....

Frequently Asked Questions (FAQs) on Karyokinesis and Cytokinesis

Question 1. Name the types of Spindle Fibers....