What is chromosome?
- Abrar ali
- Jul 27, 2021
- 1 min read
(Gr. Chroma= coloured, soma = body)
Chromosome are the microscopic threadlike part of the cell that carries hereditary information in the form of genes.
The term colored body is misnomer because chromosomes are not colored bodies.
Actually when chromosomes are stained with perkin‘s aniline (C6H5 NH2) dyes their color becomes much darker than rest of cell.
Chromosome were named by Walter Fleming in 1882.
first synthetic dyes. It was discovered serendipitously by William Henry Perkin in 1856 while he was attempting to create a cure for malaria.
Chromatids:
A chromatid is one of two strands of a copied chromosome. Chromatids that are joined together at their centromeres.
Centromere:, are structures in a chromosome that holds together the two chromatids.
Kinetochore: a complex of proteins associated with the centromere of a chromosome during cell division, to which the microtubules of the spindle attach.Chromonemata: chromonema is the coiled central thread of a chromatid along which chromomere lies.
Very interested 👍