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प्रश्न
What is allosome?
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उत्तर
The chromosomes which are responsible for the determination of sex are known as Allosomes (sex chromosomes).
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संबंधित प्रश्न
The term “chromosomes” literally means ______.
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.
Mention the contribution of the scientist given below in the study of chromosome:
Strasburger
Explain the Term Leptotene
Duplicated chromosomes are joined at a point termed ______.
Column ‘II’ is a list of items related to ideas in Column ‘I’. Match the term in Column ‘II’ with a suitable idea given in Column ‘I’.
| Column I | Column II |
| Genetics | Chromosomes are similar in size and shape. |
| Autosomes | The alternative forms of a gene. |
| Recessive gene | Study of laws of inheritance of characters |
| Allele | A gene that can express only when in a similar pair. |
| Homologous chromosomes | Chromosomes are other than the pair of sex chromosomes. |
Compare X chromosome and Y chromosome.
The number of chromosomes found in human beings is ______.
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'.
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.
