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Question
Choose the correct answer:
Centromere is related to ________
Options
movement of chromosomes
DNA replication
all of these
spindle formation
Solution
Centromere is related to movement of chromosomes
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RELATED QUESTIONS
What is the number of chromosomes in the gametes of human beings?
The Chromatin material is formed forms of ______.
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
During the pairing of chromosomes in meiosis, the ________ chromosomes come to lie side by side.
Answer the following question in your own words.
What is meant by ‘chromosome’?
Choose the correct answer:
Centromere is related to _______________
(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.
Explain the Term Zygotene
Give Technical Terms
The stage at which the formation of chiasmata occurs.
Multiple Choice Question:
The disappearance of spindle and uncoiling of chromosomes takes place in
Multiple Choice Question:
After mitotic cell division, a female human cell will have
Name the following:
The number of chromosomes present in human gametes.
Multiple Choice Question
Chromosomal aberrations are caused by:
Some of the chromosomes have an elongated knob-like appendages known as telomere.
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?
What' does 'P' and 'Q' represent in the following diagram of X and Y chromosomes? Select the correct option representing, its appropriate description.
Read the following statements and select the correct option.
Statement I: The densely packed transcriptionally active, light staining region of chromatin is known as 'Heterochromatin'.
Statement II: The loosely packed, dark staining transcriptionally inactive region of chromatin is known as 'Euchromatin'.
Small swellings on the surface of the chromosome are called______.
