The following diagram shows modification of the meiosis II...

Name: Problem 106, Chapter 10: Objective Biology for NEET
Uploaded: 2021-09-25T06:51:06-08:00
Duration: 1 min 1 s
Channel: Narayan Hari
Description: The following diagram shows modification of the meiosis II for storage. Identify A, B, C, D from the below figure. (a) A-Prophase II, B-Metaphase II, C-Anaphase II, D-Telophase II (b) A-Anaphase II, B-Prophase II, C-Telophase II, D-Metaphase II (c) A-Metaphase II, B-Telophase II, C-Prophase II, D-Anaphase II (d) A-Telophase II, B-Anaphase II, C-Metaphase II, D - Prophase II

The following diagram shows modification of the meiosis II for storage. Identify A, B, C, D from the below figure. (a) A-Prophase II, B-Metaphase II, C-Anaphase II, D-Telophase II (b) A-Anaphase II, B-Prophase II, C-Telophase II, D-Metaphase II (c) A-Metaphase II, B-Telophase II, C-Prophase II, D-Anaphase II (d) A-Telophase II, B-Anaphase II, C-Metaphase II, D - Prophase II

The following diagram shows modification of the meiosis II for storage. Identify A, B, C, D from the below figure.
(a) A-Prophase II, B-Metaphase II, C-Anaphase II, D-Telophase II
(b) A-Anaphase II, B-Prophase II, C-Telophase II, D-Metaphase II
(c) A-Metaphase II, B-Telophase II, C-Prophase II, D-Anaphase II
(d) A-Telophase II, B-Anaphase II, C-Metaphase II, D - Prophase II

Key Concepts

Anaphase II

Anaphase II is the stage in meiosis II where the sister chromatids are finally separated and pulled toward opposite poles of the cell. This ensures that each daughter cell will receive an equal and haploid set of chromosomes.

Metaphase II

Metaphase II is characterized by the alignment of chromosomes at the equatorial plate of the cell. In this stage, spindle fibers attach to the kinetochores of each chromatid, setting the stage for their proper segregation during anaphase II.

Telophase II

Telophase II is the concluding stage of meiosis II, where the separated chromosomes arrive at the poles, and new nuclear envelopes begin to form around each set of chromosomes. This phase is followed by cytokinesis, resulting in four genetically distinct haploid cells.

Meiosis II

Meiosis II resembles a mitotic division where the sister chromatids are separated. Unlike meiosis I where homologous chromosomes are separated, meiosis II divides the replicated chromosomes, further reducing the cell’s nucleus into distinct nuclei. This phase includes stages such as prophase II, metaphase II, anaphase II, and telophase II.

Meiosis

Meiosis is a specialized form of cell division that reduces the chromosome number by half, resulting in the production of haploid cells. It consists of two successive divisions, meiosis I and meiosis II, each with distinct stages. This process is critical for sexual reproduction, ensuring genetic diversity through recombination and independent assortment of chromosomes.

Prophase II

Prophase II is the first stage of meiosis II. During this phase, the chromosomes start to condense again and spindles form, despite the cells being already haploid. It marks the beginning of the process where sister chromatids will eventually separate in subsequent stages.

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