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प्रश्न
Duplicated chromosomes are joined at a point termed ______.
विकल्प
Centrosome
Centromere
Centriole
Chromatid
उत्तर
Duplicated chromosomes are joined at a point termed centromere.
Explanation:
Until they are split during cell division, the centromere is the point of attachment between the two sister chromatids of a chromosome.
संबंधित प्रश्न
Name the sex chromosomes in human males and females
The term “chromosomes” literally means ______.
Humans have 46 chromosomes. Their sperms and eggs will have ______ chromosomes each.
Fill in the blank
The _______ (s) are surrounded by radiating rays called aster
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’?
The component which is in the nuclei of cells and carries the hereditary characteristics is called ______.
Choose the correct answer:
Chromosomes appear at equator in ____________
Choose the correct answer:
Centromere is related to _______________
Synthesis phase in the cell cycle is called so for the synthesis of more 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.
Give Technical Terms
The stage at which chromosomes occurs reach the opposite poles.
Give Technical Terms
The stage at which the formation of chiasmata occurs.
State the Location: Polytene chromosome
Write the functional activity of the following structure:
Chromosome
In higher unisexual animals, one pair of chromosomes is not identical in two sexes. It is called as ______.
Which of the following is TRUE with respect to the genes which inherit together during crossing over?
Rewrite the correct form of the statement by changing the first or last word only:
Duplicated chromosomes remain attached at a point termed as centrosome.
Distinguish between the following pair:
Karyotype and Karyokinesis
