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Question
Define the following:
Chiasmata
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Solution
Chiasmata - is the point where two homologous non-sister chromatids exchange genetic material in chromosomal crossover during meiosis.
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RELATED QUESTIONS
Choose the correct answer:
Crossing over is a feature of _______________
How prophase-I of meiosis differs from prophase of mitosis in an essential way? Describe how it affects the daughter cells?
What is the importance of chiasma formation?
Explain the Term Diplotene
Name the Following
The process is responsible for the variation.
Name the Following
Stage in which the crossing-over takes place.
What is crossing over?
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?
