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

Name: Problem 75, Chapter 10: Objective Biology for NEET
Uploaded: 2021-09-25T05:01:51-08:00
Duration: 1 min 17 s
Channel: Narayan Hari
Description: The following diagram shows modification of the meiosis I. Identify A, B, C, D. (a) A-Telophase I, B-Anaphase I, C-Metaphase I, D-Prophase I (b) A-Prophase I, B-Metaphase I, C-Anaphase I, D-Telophase I (c) A-Metaphase I, B-Telophase I, C-Prophase I, D-Anaphase I (d) A-Anaphase I, B-Prophase I, C-Telophase I, D-Metaphase I

The following diagram shows modification of the meiosis I. Identify A, B, C, D. (a) A-Telophase I, B-Anaphase I, C-Metaphase I, D-Prophase I (b) A-Prophase I, B-Metaphase I, C-Anaphase I, D-Telophase I (c) A-Metaphase I, B-Telophase I, C-Prophase I, D-Anaphase I (d) A-Anaphase I, B-Prophase I, C-Telophase I, D-Metaphase I

The following diagram shows modification of the meiosis I. Identify A, B, C, D.
(a) A-Telophase I, B-Anaphase I, C-Metaphase I, D-Prophase I
(b) A-Prophase I, B-Metaphase I, C-Anaphase I, D-Telophase I
(c) A-Metaphase I, B-Telophase I, C-Prophase I, D-Anaphase I
(d) A-Anaphase I, B-Prophase I, C-Telophase I, D-Metaphase I

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Key Concepts

Telophase I

Telophase I is the final stage of the first meiotic division, where chromosomes reach the poles and may decondense, and nuclear membranes begin to form around them. This phase prepares the cell for cytokinesis, resulting in two distinct daughter cells.

Anaphase I

Anaphase I involves the separation of homologous chromosomes as spindle fibers pull them toward opposite poles of the cell. This step reduces the cell's chromosome number by half, a key feature of reductional division.

Prophase I

Prophase I is a complex stage in meiosis where chromosomes condense, homologous chromosomes pair through synapsis, and crossing over occurs. This recombination process is crucial for generating new genetic combinations and increasing diversity.

Meiosis I

Meiosis I is the first division in the meiotic process where homologous chromosomes are separated. This reductional division halves the chromosome number and sets the foundation for genetic variation by mixing parental genes before the second meiotic division.

Metaphase I

Metaphase I is characterized by the alignment of homologous chromosome pairs along the metaphase plate. Proper alignment is essential for the subsequent separation of homologs, ensuring that each daughter cell receives one chromosome from each pair.

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