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प्रश्न
Complete the following sentence with appropriate word :
Chromosomes are _________ material.
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उत्तर
Chromosomes are Hereditary material.
संबंधित प्रश्न
Fill in the blank
The _______ (s) are surrounded by radiating rays called aster
“First meiotic division is the reduction division” what does the word ‘reduction’ refer to in this statement?
Mention whether the following statement is (T) Or (F). Give reason in support of your answer.
The unfertilized human egg has half the number of chromosomes of the body cells.
The component which is in the nuclei of cells and carries the hereditary characteristics is called ______.
Choose the correct answer:
Centromere is related to ________
Choose the correct answer:
Chromosomes number is halved in _____________
Choose the correct answer:
Minimum coiling in chromosome is at ______________
Choose the correct answer:
Minimum coiling in chromosome is at ________________
Choose the correct answer:
The term 'chromosome' was coined by ___________
Why gametes have a haploid number of chromosomes?
How does colchicine act as mitotic poison? Is there any advantage of it?
State how does meiosis maintains chromosome number in a species.
Name the following:
The number of chromosomes present in human gametes.
Give the example of X- monosomy you have studied.
The thin thread-like structures found in the nucleus of each cell are called ______.
The sex of the newborn child is a matter of chance and neither of the parents may be considered responsible for it. What would be the possible fusion of gametes to determine the sex of the child?
After a mitotic cell division, a human female cell will have ______.
The female gamete/egg cell of a human cell will have ______.
Which of the following statements are correct?
- X chromosome has large amount of euchromatin.
- heterochromatin is genetically inert.
- Both X and Y chromosomes are homologous.
- Crossing over does not take place in sex chromosomes in female.
Choose the correct option.
