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प्रश्न
Enumerate the various changes that occur in the nucleus of the cell during anaphase of mitotic division.
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.
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संबंधित प्रश्न
Give appropriate biological or technical terms for the following :
The condition in which a pair of chromosomes carries similar alleles of a particular character.
Correct the following statement if there is any mistake:
If there are 46 chromosomes in a cell, there will be 23 chromatin fibres inside the nucleus during interphase.
Choose the correct answer:
Centromere is related to ________
Choose the correct answer:
If after karyokinesis, cytokinesis does not occur, then result would be _____________
Choose the correct answer:
Chromosome is most coiled at (in mitosis) ________________
Write a sentence of the following:
Sheath
Synthesis phase in the cell cycle is called so for the synthesis of more of
What is the importance of meiosis in creating variations?
Give Reasons for the following
The meiosis is called reductional division
Explain the Term Leptotene
Duplicated chromosomes are joined at a point termed ______.
Multiple Choice Question
Chromosomal aberrations are caused by:
Compare X chromosome and Y chromosome.
In humans, the sex chromosome complement is
The number of chromosomes found in human beings is ______.
Explain the structure of a chromosome.
Identify the TRUE statements with respect to aneuploidy.
- When the chromosome number is not the exact multiple of the haploid set, it is described as aneuploidy.
- Aneuploidy is only addition of one or more chromosome(s) to the total number of chromosomes in a cell.
- Aneuploidy is further classified as hypoploidy and hyperploidy.
