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21 paź 2024 · Mitosis, a process of cell duplication, or reproduction, during which one cell gives rise to two genetically identical daughter cells. Strictly applied, the term is used to describe the duplication and distribution of chromosomes, the structures that carry the genetic information.
Centrosome and centromere are two components involved in the division of a cell. A centrosome is an organelle which is made up of microtubules. It nucleates all the microtubules inside a cell in...
Cells with too few or too many chromosomes usually don’t function well: they may not survive, or they may even cause cancer. So, when cells undergo mitosis, they don’t just divide their DNA at random and toss it into piles for the two daughter cells. Instead, they split up their duplicated chromosomes in a carefully organized series of steps.
Draw a neat, labelled diagram of a duplicated chromosome. Chromosomes ICSE Sp 2024. 78 Likes. Answer. Labelled diagram of a duplicated chromosome is given below: Answered By. 57 Likes. Related Questions. Mention the exact location of Corpus callosum. View Answer Bookmark Now.
Chromosomes condense and become visible by light microscopy as eukaryotic cells enter mitosis or meiosis. During interphase (G1 + S + G2), chromosomes are fully or partially decondensed, in the form of chromatin, which consists of DNA wound around histone proteins (nucleosomes).
20 cze 2023 · By convention the chromosomes are arranged into the pattern shown in Figure \(\PageIndex{15}\) and the resulting image is called a karyogram. A karyogram allows a geneticist to determine a person's karyotype - a written description of their chromosomes including anything out of the ordinary.
