how can the chromosomes be identified? For class 10
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The chromosomes be identified
Explanation:
- The chromosomes vary in their figure, size, structure, position of centromere, reactivity to different dyes, etc.
- Chromosome are generally recognized by staining with appropriate dyes that provide them a typical pattern.
- This is done after culturing the cells and stopping all of them at particular stage of partition called metaphase and then preparing a slide to view under microscope.
- Then, karyotype is prepared. Karyotype is the number and appearance of chromosomes in a nucleus of somatic cell.
Learn more about the chromosome
Why spermatids possess a haploid chromosome number
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Which division is necessary to maintain constant chromosome number in all body cells of multicellular organism and why?
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Answer:
A chromosome is a DNA molecule that consists of a part or all of the genetic material of an organism. The chromosome is present in the nucleus of each cell, and it is packaged into thread-like structures. Structurally, each chromosome is composed of DNA that is tightly coiled around special proteins called histone
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