1. A diploid organism has the genotype I1I2V1V2 Y1Y2 on different chromosomes. Diagram only these three pairs of chromosomes to represent: Any correct mitotic phase, label the alleles. Any correct meiotic phase, label the alleles. Compare the results of mitosis with the results of meiosis in terms of the number of chromosomes and the genotype of the cells produced.
Oogenesis
The formation of the ovum (mature female gamete) from undifferentiated germ cells is called oogenesis. This process takes place in the ovaries (female gonads). Oogenesis consists of three stages known as the multiplication phase, growth phase, and maturation phase.
Cell Division
Cell division involves the formation of new daughter cells from the parent cells. It is a part of the cell cycle that takes place in both prokaryotic and eukaryotic organisms. Cell division is required for three main reasons:
1. A diploid organism has the genotype I1I2V1V2 Y1Y2 on different chromosomes. Diagram only these three pairs of chromosomes to represent:
- Any correct mitotic phase, label the alleles.
- Any correct meiotic phase, label the alleles.
- Compare the results of mitosis with the results of meiosis in terms of the number of chromosomes and the genotype of the cells produced.
In cell biology, mitosis is a part of the cell cycle in which replicated chromosomes are separated into two new nuclei. Cell division gives rise to genetically identical cells in which the total number of chromosomes is maintained.
The phases of mitosis are:
- prophase
- metaphase
- anaphase
- telophase.
Meiosis is a type of cell division of germ cells in sexually-reproducing organisms managed to provide the gametes, such as sperm or egg cells. It involves two steps of division that result in four cells with only one copy of each paternal and maternal chromosome.
The phases of meiosis are:
- Prophase I.
- Metaphase I.
- Anaphase I.
- Telophase I
CYTOKINESIS
- Prophase II.
- Metaphase II.
- Anaphase II.
- Telophase II
CYTOKINESIS
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