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Question
Multiple Choice Question:
The regions where crossing-over takes place are called
Options
Chiasmata
Cell plate
Spindle fibres
Chromosomes
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Solution
Chiasmata
RELATED QUESTIONS
Differentiate between
Chiasmata and crossing over.
Explain the Term Diplotene
Name the Following
The process is responsible for the variation.
Give Technical Terms
Crossing over occurs during the third substage of meiosis.
What is a tetrad?
What is zygotene?
Statement I: Chromosomes become gradually visible under light microscope during leptotene stage.
Statement II: The beginning of diplotene stage is recognized by dissolution of synaptonemal complex.
In the light of the above statements, choose the correct answer from the options given below:
Match List I with List II.
| List I (Sub Phases of Prophase I) |
List II (Specific characters) |
| A. Diakinesis | I. Synaptonemal complex formation |
| B. Pachytene | II. Completion of terminalisation of chiasmata |
| C. Zygotene | III. Chromosomes look like thin threads |
| D. Leptotene | IV. Appearance of recombination nodules |
Choose the correct answer from the options given below:
The process of appearance of recombination nodules occurs at which sub stage of prophase I in meiosis?
