Describe the following: (a) synapsis (b) | Class 11 Biology Chapter Cell cycle and Cell Division, Cell cycle and Cell Division NCERT Solutions

Question: Describe the following:
(a) synapsis
(b) bivalent
(c) chiasmata
Draw a diagram to illustrate your answer.

Answer:

(a) Synapsis

The pairing of homologous chromosomes is called synapsis. This occurs during the second stage of prophase I or zygotene.

Synapsis

(b) Bivalent

Bivalent or tetrad is a pair of synapsed homologous chromosomes. They are formed during the zygotene stage of prophase I of meiosis.

Bivalent

(c) Chiasmata

Chiasmata is the site where two non sister chromatids have crossed over. It represents the site of cross-over. It is formed during the diplotene stage of prophase I of meiosis.

Chiasmata

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Akrosh raj
2018-12-27 22:11:11

Super answer h

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Welcome to the NCERT Solutions for Class 11 Biology - Chapter . This page offers a step-by-step solution to the specific question from Excercise 1 , Question 7: Describe the following: (a) synapsis (b) bivalent (c) chiasmata Draw a diagram to illustrate your an....

Describe the following: (a) synapsis (b) | Class 11 Biology Chapter Cell cycle and Cell Division, Cell cycle and Cell Division NCERT Solutions

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