Cells divide and reproduce in two ways: mitosis and meiosis. Mitosis is a process of cell division that results in two genetically identical daughter cells developing from a single parent cell. Meiosis, on the other hand, is the division of a germ cell involving two fissions of the nucleus and giving rise to four gametes, or sex cells, each possessing half the number of chromosomes of the original cell.
Mitosis is used by single-celled organisms to reproduce; it is also used for the organic growth of tissues, fibers, and membranes. Meiosis is found in sexual reproduction of organisms. The male and female sex cells (i.e., egg and sperm) are the end result of meiosis; they combine to create new, genetically different offspring.
Differences in Purpose
Though both types of cell division are found in many animals, plants, and fungi, mitosis is more common than meiosis and has a wider variety of functions. Not only is mitosis responsible for asexual reproduction in single-celled organisms, but it is also what enables cellular growth and repair in multicellular organisms, such as humans. In mitosis, a cell makes an exact clone of itself. This process is what is behind the growth of children into adults, the healing of cuts and bruises, and even the regrowth of skin, limbs, and appendages in animals like geckos and lizards.
Meiosis is a more specific type of cell division (of germ cells, in particular) that results in gametes, either eggs or sperm, that contain half of the chromosomes found in a parent cell. Unlike mitosis with its many functions, meiosis has a narrow but significant purpose: assisting sexual reproduction. It is the process that enables children to be related but still different from their two parents.
#meiosis #mitosis #StemCellFieldOfStudy #genetics #cellDivision #biology #chromosomes #sexualReproduction
1 view
199
36
8 months ago 00:05:08 1
ARQUITECTURA VS INGENIERÍA - ¿Cuál es la diferencia entre un ARQUITECTO vs INGENIERO CIVIL?
9 months ago 00:17:43 1
Легко про митоз и мейоз - варианты 18 и 20.
1 year ago 00:03:02 3
Mitosis vs Meiosis Rap Battle! | SCIENCE SONGS
1 year ago 00:29:56 1
Meiosis steps | what is the purpose of meiosis - Animated Lecture (Embryology)
2 years ago 00:43:02 1
Breeding Ball Pythons; Sexual Diversity and TSD, part 2
2 years ago 00:02:32 1
Sporic Meiosis quiz questions
2 years ago 00:09:55 1
Sporic meiosis - Alternation of generations
2 years ago 00:05:01 1
Mitosis vs meiosis
2 years ago 00:10:00 1
What is the difference between homozygous and heterozygous?