Cellular reproduction: Mitosis and Meiosis
- ANAHI TIPAN
- MAITE LEON
- EMILY NUELA
- MARIA MARIN
- DOMENICA BONILLA
- PAOLA ZURITA
- SEBASTIAN SALAZAR
Remember that we are in the HOLY presence of god...
Let's worship him
Reproduction is a biological process, of sexual and asexual type, which guarantees life succession.
Cellular Reproduction
Unicellular beings use it for reproduction. In contrast, for multicellular organisms, it is a cyclical process aimed at the production of cells.
The cellular cycle
Cellular division is done through the cellular cycle.The cellular cycle goes through three key moments:
- Interphase
- Cellular division
- Cytokinesis.
The process of the cellular cycle
The cell spends most of its life at the interface. The interface is the part of the cell cycle.
G2
Interphase
G1
Preparation of all components of cell division is carried out.
The molecules, organelles and other structures of the cytoplasm are synthesized.
Gives way to DNA duplication
Cellular Division
Multicellular beings replace their cellular endowment thanks to cell division and it is usually associated with cell differentiation.
Mitosis
THE CELLULAR DIVISION OR MITOSIS IS THE PROCESS OF REPRODUCTION OF A CELL.
phases of mitosis
Prophase
Metaphase
Anaphase
Telophase
The double chromatid chromosomes are fixed to the spindle by the centromere.
The nucleolus and the cellular membrane disappear.
The nuclear membrane and nucleolus reappear.
Chromosomes are divided by the centromere and are separated in their chromatids.
Cytokinesis: The result of this process is two diploid cells (2n), that is, with the chromosomic, number of the species.
The human species has 46 chromosomes that correspond to 44 autosomes (22 pairs of chromosomes that have all the information from the organism, but do not determine sex) and two chromosomes, one X (female) and one Y (male), that form the oair of sexual chromosomes, responsible for defining sex on an individual.
Meiosis
Meiosis occurs when two sex cells unite.
Meiosis I
Meiosis
Meiosis II
- Chromosomes in a diploid cell
- Produces four haploid daughter cells
- DNA replication
- As a result two daughter cells are obtained.
Prophase I
Metaphase I
Anaphase I
Telophase I
Phases
Meiosis ii
Anaphase II
Prophase II
Metaphase II
Telophase II
Spermatogenesis
Oogenesis
IT IS THE PROCESS OF OVULES IN THE OVARIES, THE OVULES COME FROM DIPLOID CELLS LOCATED IN THE OVARIES THAT ARE CALLED OVOGONIA
IS THE PROCESS OF FORMATION OF SPERM THAT HAPPENS IN THE TESTICLES FROM DIPLOID CELLS CALLED SPERMATOGONIA
Thank you!
Cellular Reproduction
Emily Nuela
Created on September 8, 2021
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Transcript
Cellular reproduction: Mitosis and Meiosis
Remember that we are in the HOLY presence of god...
Let's worship him
Reproduction is a biological process, of sexual and asexual type, which guarantees life succession.
Cellular Reproduction
Unicellular beings use it for reproduction. In contrast, for multicellular organisms, it is a cyclical process aimed at the production of cells.
The cellular cycle
Cellular division is done through the cellular cycle.The cellular cycle goes through three key moments:
The process of the cellular cycle
The cell spends most of its life at the interface. The interface is the part of the cell cycle.
G2
Interphase
G1
Preparation of all components of cell division is carried out.
The molecules, organelles and other structures of the cytoplasm are synthesized.
Gives way to DNA duplication
Cellular Division
Multicellular beings replace their cellular endowment thanks to cell division and it is usually associated with cell differentiation.
Mitosis
THE CELLULAR DIVISION OR MITOSIS IS THE PROCESS OF REPRODUCTION OF A CELL.
phases of mitosis
Prophase
Metaphase
Anaphase
Telophase
The double chromatid chromosomes are fixed to the spindle by the centromere.
The nucleolus and the cellular membrane disappear.
The nuclear membrane and nucleolus reappear.
Chromosomes are divided by the centromere and are separated in their chromatids.
Cytokinesis: The result of this process is two diploid cells (2n), that is, with the chromosomic, number of the species.
The human species has 46 chromosomes that correspond to 44 autosomes (22 pairs of chromosomes that have all the information from the organism, but do not determine sex) and two chromosomes, one X (female) and one Y (male), that form the oair of sexual chromosomes, responsible for defining sex on an individual.
Meiosis
Meiosis occurs when two sex cells unite.
Meiosis I
Meiosis
Meiosis II
Prophase I
Metaphase I
Anaphase I
Telophase I
Phases
Meiosis ii
Anaphase II
Prophase II
Metaphase II
Telophase II
Spermatogenesis
Oogenesis
IT IS THE PROCESS OF OVULES IN THE OVARIES, THE OVULES COME FROM DIPLOID CELLS LOCATED IN THE OVARIES THAT ARE CALLED OVOGONIA
IS THE PROCESS OF FORMATION OF SPERM THAT HAPPENS IN THE TESTICLES FROM DIPLOID CELLS CALLED SPERMATOGONIA
Thank you!