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प्रश्न
What is the significance of crossing over?
Write the significance of crossing over.
लघु उत्तरीय
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उत्तर
Significance of Crossing over:
- As a result of crossing over, the paternal and maternal homologous chromosomes of an organism pair up and exchange certain portions of their chromatids, which lead to genetic variations.
- It makes the genetic information in each haploid cell unique.
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क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
संबंधित प्रश्न
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
Stage in which the crossing-over takes place.
Give Technical Terms
Crossing over occurs during the third substage of meiosis.
Write the functional activity of the following structure:
Chiasmata
What is terminalization?
What is the bouquet stage?
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:
