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प्रश्न
The diagram shows a bivalent at prophase-I of meiosis. Which of the four chromatids can cross over?
उत्तर
In this case, non-sister chromatids can cross over. It is important to remember that crossing over always takes place between two non-sister chromatids and never between two sister chromatids.
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संबंधित प्रश्न
Describe Synapsis and draw a diagram to illustrate your answer.
During meiosis I, the number of chromosomes is :
Prophase-I is subdivided into five phases based on ______.
A bivalent of meiosis-I consists of ______.
Which of the events listed below is not observed during mitosis?
Given that the average duplication time of E.coli is 20 minutes, how much time will two E.coli cells take to become 32 cells?
What attributes does a chromatid require to be classified as a chromosome?
State the role of centrioles other than spindle formation.
A cell has 32 chromosomes. It undergoes mitotic division. What will be the chromosome number (N) during metaphase? What would be the DNA content (C) during anaphase?
Write brief note on the following:
Synaptonemal complex
