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प्रश्न
Duplicated chromosomes are joined at a point termed ______.
विकल्प
Centrosome
Centromere
Centriole
Chromatid
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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
Correct the following statement if there is any mistake:
If there are 46 chromosomes in a cell, there will be 23 chromatin fibres inside the nucleus during interphase.
During the pairing of chromosomes in meiosis, the ________ chromosomes come to lie side by side.
“First meiotic division is the reduction division” what does the word ‘reduction’ refer to in this statement?
Choose the correct answer:
Chromosome is most coiled at (in mitosis) ________________
Choose the correct answer:
The term 'chromosome' was coined by ___________
Choose the correct answer:
Chromosomes largely consist of _______________
Choose the correct answer:
Sex of an individual is determined by ____________
Synthesis phase in the cell cycle is called so for the synthesis of more of
Explain the Term Chromosomes
Name the following:
Microtubules form the bipolar spindle in which stage.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Chromosomes other than sex-chromosomes are autonomous.
Multiple Choice Question
Chromosomal aberrations are caused by:
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?
Which of the following type of chromosomes has only one telomere?
The two non-sister chromatids of a paired chromosome are attached to each other at ______ during the process of crossing over.
Given below is a set of four term. Choose the odd one and write the category of the remaining term:
Distinguish between the following pair:
Karyotype and Karyokinesis
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.
