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प्रश्न
Write a sentence of the following:
Centromere
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उत्तर
Centromere - A constriction in the chromosome is called centromere.
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संबंधित प्रश्न
Expand the following biological abbreviations :
DNA
The component which is in the nuclei of cells and carries the hereditary characteristics is called ______.
Choose the correct answer:
In an interphase cell chromosome are as _____________
Choose the correct answer:
Chromosome is most coiled at (in mitosis) ____________
Choose the correct answer:
During mitosis which of the following disintegrate ___________
Name the following:
The part of the cell associated with heredity.
Give Technical Terms
The stage at which synapsis in chromosomes to form bivalents.
Duplicated chromosomes are joined at a point termed ______.
State the Location: Chromosomes
Name the following:
Cells having a single set of chromosomes.
Write the functional activity of the following structure:
Chromosomes
Multiple Choice Question
Chromosomal aberrations are caused by:
With the help of a neat labelled diagram, describe the structure of chromosome.
Give the example of X- monosomy you have studied.
An inheritable change in the amount or the structure of a gene or a chromosome is called ______.
Match the following.
| 1. Autosomes | - | Trisomy 21 |
| 2. Diploid condition | - | 9 : 3 : 3 : 1 |
| 3. Allosome | - | 22 pair of chromosome |
| 4. Down’s syndrome | - | 2n |
| 5. Dihybrid ratio | - | 23rd pair of chromosome |
What' does 'P' and 'Q' represent in the following diagram of X and Y chromosomes? Select the correct option representing, its appropriate description.
The chromosomes are duplicated in ______.
The two non-sister chromatids of a paired chromosome are attached to each other at ______ during the process of crossing over.
