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प्रश्न
Classify the chromosomes on the basis of position of centromere.
उत्तर
Types of Chromosomes :
According to the position of the centromere, chromosomes are classified into following types
Metacentric : If the centromere is situated in the middle of the chromosomes it is called metacentric chromosomes.
Sub-metacentric : If the centromere is situated some distance away from the middle it is called submentacentric chromosomes.
Acrocentric : If the centromere is situated near the end of the chromosomes it is called acrocentric chromosome
Telocentric : If the centromere is situated at the tip of the chromosome it is called telocentric chromosome.
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संबंधित प्रश्न
Define the term ‘genome’.
Define the Homologous chromosomes
Match the column I (Type of chromosome) with column II (name of chromosome).
| Type of chromosome | Name of chromosome | ||
| i. |  |
P. | Acrocentric |
| ii. |  |
Q. | Telocentric |
| iii. |  |
R. | Metacentric |
| iv. |  |
S. | Sub-metacentric |
At secondary constriction I, ______ becomes organized during interphase.
Extra nuclear chromosomes occur in ______.
Mendel’s work was rediscovered by three scientists in the year ______.
A couple has two daughters. What is the probability that the third child will also be a female?
During mitosis, chromosomes distribution to the daughter cell is ______.
Which of the following phase follows S and G2 phases of interphase?
How do genes and chromosomes share similarity from the point of view of genetical studies?
