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प्रश्न
Enumerate the various changes that occur in the nucleus of the cell during anaphase of mitotic division.
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उत्तर
Changes which occur in the nucleus of the cell during mitosis:
During anaphase:
- The two sister chromatids of each chromosome separate and are drawn apart towards the opposite poles.
संबंधित प्रश्न
Name the sex chromosomes in human males and females
What is the number of chromosomes in the gametes of human beings?
Correct the following statement if there is any mistake:
Genes are specific sequences of bases on a chromosome .
What are genes?
Match the events given in column A with the phase in mitotic cell division in column B.
| Column ‘A’ | Column ‘B’ | ||
| 1. | Chromosomes get arranged in a horizontal plane at the equator. |
a. | Anaphase |
| 2. | Daughter chromosomes move to the opposite poles of a spindle |
b. | Prophase |
| 3. | Chromosomes become visible as fine, long threads. |
c. | Telophase |
| 4. | Chromosomes lose their distinctiveness and gradually become transformed into a chromatin network. |
d. | Metaphase |
Humans have 46 chromosomes. Their sperms and eggs will have ______ chromosomes each.
Chromosomes are mainly made up of ______.
Choose the correct answer:
Thick short chromosomes can be observed at (in mitosis) ___________
Choose the correct answer:
Chromosomes largely consist of _______________
What are chromosomes?
Name the following:
The diploid number for cell of man.
Nullisomy is represented by ______.
In humans, the sex chromosome complement is
Define euploidy.
The region of the chromosome where the spindle fibres get attached during cell division ______
Explain the structure of a chromosome.
Given below is a set of four term. Choose the odd one and write the category of the remaining term:
