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Question
The exchange of chromatid parts between the maternal and the paternal chromatids of a pair of homologous chromosomes during meiosis.
Solution
Crossing over
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RELATED QUESTIONS
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
Given below is a diagram representing a stage during the mitotic cell division. Study thediagram and answer the following questions:
Is it a plant or an animal cell? Give a reason to support your answer.
Choose the correct answer:
Somatic cells divide by
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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.
How will you differentiate between mitosis and meiosis on the basis of the chromosome number in the daughter cells?
Give a labeled diagram to illustrate amitosis.
Complete the following sentence with appropriate word :
The type of cell division that occurs in the apical meristem of plants is ______.
Why should gametes be produced by meiosis during sexual reproduction?
Write briefly the significance of mitosis and meiosis in multicellular organism.
