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प्रश्न
Some of the chromosomes have an elongated knob-like appendages known as telomere.
विकल्प
True
False
उत्तर
False
Correct statement: Some of the chromosomes have an elongated knob-like appendage known as the satellite.
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संबंधित प्रश्न
Choose the best option out of the four alternatives a, b, c and d
Question 1:
The number of chromosomes in a certain type of cell division is halved. This kind of cell
division occurs in.
(a) Only testis
(b) Only ovary
(c) Both ovary and testis
(d) All body cells
Chromosomes are mainly made up of ______.
(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.
Draw a duplicate chromosome and label its part.
Give Technical Terms
The stage at which the formation of chiasmata occurs.
The number of chromosomes found in human beings is ______.
The thin thread-like structures found in the nucleus of each cell are called ______.
What' does 'P' and 'Q' represent in the following diagram of X and Y chromosomes? Select the correct option representing, its appropriate description.
Generally, the recessive character is expressed only when present in a double recessive condition i.e. homozygous condition. However, a single recessive gene can express itself in human beings when the gene is present on ______
