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प्रश्न
Name the following.
The exchange of chromatid parts between the maternal and the paternal chromatids of a pair of homologous chromosomes during meiosis.
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उत्तर
Crossing over
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संबंधित प्रश्न
Given below are three diagrammatic sketches (A, B and C) of one and the same particular phase during mitotic type of cell division.
- Identify the phase.
- What is the diploid number of chromosomes shown in them?
- Identify whether these are animal cells or plant cells? Give reasons.
- Which of these is/are shown in the correct direction?
- Only A
- Only B
- Only A and C
- All the three
Choose the correct answer:
Somatic cells divide by
Choose the correct answer:
Mitosis results in _____________
Choose the correct answer:
Chromosomes appear at equator in _____________
Given below is a diagram representing a stage during mitotic cell division. Study it carefully and answer the question that follow.
Is it a plant cell or an animal cell? Give a reason to support your answer.
Given below is a diagram representing a stage during mitotic cell division. Study it carefully and answer the question that follow.
Name the stage that follows the one shown here. How is that stage identified?
Given below is a diagram representing a stage during mitotic cell division. Study it carefully and answer the question that follow.
Draw a duplicated chromosome and label its parts.
Give a labeled diagram to illustrate amitosis.
The growth of multicellular organisms is due to
Write briefly the significance of mitosis and meiosis in multicellular organism.
