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प्रश्न
Enumerate the various changes that occur in the nucleus of the cell during prophase.
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उत्तर
Changes which occur in the nucleus of the cell during mitosis:
During prophase:
- The nuclear membrane and the nucleolus disappear.
- The duplicated chromosomes begin to move towards the equator of the cell.
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.
The Chromatin material is formed forms of ______.
The term “chromosomes” literally means ______.
“First meiotic division is the reduction division” what does the word ‘reduction’ refer to in this statement?
Choose the correct answer:
Chromosomes number is halved in _____________
Choose the correct answer:
Chromosome is most coiled at (in mitosis) ____________
Choose the correct answer:
Centromere is related to _______________
Choose the correct answer:
Chromosome number of man is _____________
State how does meiosis maintains chromosome number in a species.
Explain the Term Chromosomes
Write the functional activity of the following structure:
Spindle fibers
Name the following:
The pattern of arrangement of genes along a chromosome.
With the help of a neat labelled diagram, describe the structure of chromosome.
What' does 'P' and 'Q' represent in the following diagram of X and Y chromosomes? Select the correct option representing, its appropriate description.
A male gorilla has 48 chromosomes in each of its body cells. How many chromosomes will each of the sperms have?
The chromosomes are duplicated in ______.
