
Сравните митоз и мейоз


Ответы на вопрос

Мейоз схож с разнополым размножением клеток разных аминокислот. Так белок лизин при взаимодействии с пяни образуют прочную ковалентную связь, а после непродолжительного коитуса разделяются обратно с добавочной остиомиелитовой кислотой.



Mitosis vs Meiosis
Mitosis and meiosis are two different processes of cell division that occur in living organisms. While both processes involve the division of cells, they have distinct characteristics and serve different purposes.
Mitosis:
Mitosis is a type of cell division that occurs in somatic cells (non-reproductive cells) and is responsible for growth, repair, and asexual reproduction in organisms. The main features of mitosis include:- Number of Divisions: Mitosis involves a single division of the cell nucleus, resulting in two daughter cells that are genetically identical to the parent cell. - Chromosome Number: The daughter cells produced through mitosis have the same number of chromosomes as the parent cell. - Purpose: Mitosis is primarily involved in the growth and repair of tissues, as well as the production of identical cells for asexual reproduction. - Stages: Mitosis consists of four stages: prophase, metaphase, anaphase, and telophase. - Genetic Variation: Mitosis does not contribute to genetic variation, as the daughter cells are genetically identical to the parent cell. - Examples: Mitosis occurs in various tissues and organs of the body, such as skin cells, liver cells, and muscle cells.
Meiosis:
Meiosis is a type of cell division that occurs in reproductive cells (germ cells) and is responsible for the production of gametes (sperm and egg cells) in sexually reproducing organisms. The main features of meiosis include:- Number of Divisions: Meiosis involves two divisions of the cell nucleus, resulting in four daughter cells that have half the number of chromosomes as the parent cell. - Chromosome Number: The daughter cells produced through meiosis have half the number of chromosomes as the parent cell, allowing for the restoration of the diploid number during fertilization. - Purpose: Meiosis is involved in the production of gametes and contributes to genetic variation through the process of recombination and independent assortment. - Stages: Meiosis consists of two rounds of division, known as meiosis I and meiosis II. Each round consists of prophase, metaphase, anaphase, and telophase. - Genetic Variation: Meiosis contributes to genetic variation through the independent assortment of chromosomes and the exchange of genetic material between homologous chromosomes during crossing over. - Examples: Meiosis occurs in the testes and ovaries of animals, as well as in the anthers and ovaries of plants.
In summary, mitosis is involved in growth, repair, and asexual reproduction, while meiosis is involved in the production of gametes and contributes to genetic variation in sexually reproducing organisms. Mitosis results in genetically identical daughter cells, while meiosis results in genetically diverse daughter cells.


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