NEETBiologyCell Cycle and Cell DivisionMCQ+4 / −1
The process of appearance of recombination nodules occurs at which sub stage of prophase I in meiosis?
- APachytene
- BDiplotene
- CDiakinesis
- DZygotene
View written solutionFree
Correct answer: A
Recombination nodules appear during the pachytene stage of prophase I in meiosis. These nodules are thought to be involved in crossing over, a process where homologous chromosomes exchange genetic material. This leads to genetic recombination, which is a significant source of genetic variation in sexually reproducing organisms.
So, the correct answer is :
Option A : Pachytene.
More from Cell Cycle and Cell Division
- Select the correct statements. A. Tetrad formation is seen during Leptotene. B. During Anaphase, the centromeres split and chromatids separate. C. Terminalization takes place during Pachytene. D. Nucleolus, Golgi complex and ER are…2023 · MCQ
- Given below are two statements: Statement I : During G0 phase of cell cycle, the cell is metabolically inactive. Statement II : The centrosome undergoes duplication during S phase of interphase. In the light of the above statements, choose…2023 · MCQ
- Which of the following stages of meiosis involves division of centromere?2023 · MCQ
- Which stage of meiosis can last for months or years in the oocytes of some vertebrates?2022 · MCQ
- Identify the correct sequence of events during Prophase I of meiosis: (a) Synapsis of homologous chromosomes (b) Chromosomes become gradually visible under microscope (c) Crossing over between non-sister chromatids of homologous…2022 · MCQ
- Bivalent or Tetrad formation is a characteristic feature observed during2022 · MCQ
- With respect to metaphase, which of the following statements is incorrect?2022 · MCQ
- The appearance of recombination nodules on homologous chromosomes during meiosis characterizes:2022 · MCQ