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प्रश्न
Nullisomy is represented by ______.
पर्याय
(2n-1)
(2n-2)
(2n+1)
(2n+2)
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उत्तर
Nullisomy is represented by (2n-2)
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संबंधित प्रश्न
Fill in the blank
The _______ (s) are surrounded by radiating rays called aster
The component which is in the nuclei of cells and carries the hereditary characteristics is called ______.
Choose the correct answer:
Chromosome is most coiled at (in mitosis) ____________
Choose the correct answer:
Chromosomes number is halved in ____________
Identify the stages of meiosven below and label them.
(i) Draw a neat labeled diagram to show the metaphase stage of mitosis in an animal cell having ‘6’ chromosome.
(ii) How many daughter cells are formed at the end of mitosis and at the end of meiosis?
(iii) With reference to cell division explain the following terms:
(Chromatid, Centromere, Haploid).
(iv) Name the type of cell division that occurs during:
1. Growth of shoot 2. Formation of pollen grains.
3. Repair of worn out tissues.
State the Location: Polytene chromosome
Complete the following sentence with appropriate word:
The number of chromosomes in humans is ________.
Some of the chromosomes have an elongated knob-like appendages known as telomere.
What' does 'P' and 'Q' represent in the following diagram of X and Y chromosomes? Select the correct option representing, its appropriate description.
