WebChromosomes (Gr., chrom=colour, soma= body) are the rod shaped, dark stained bodies seen during the metaphase stage of mitosis when cells are stained with a suitable basic dye and viewed under a light microscope. Chromosomes were first described by Strasburger (1815), and the term ‘chromosome’ was first used by Waldeyer in 1888. WebAs a result, giant chromosomes is formed, and these giant chromosomes are 70–110 times longer than typical metaphase chromosomes (Fig. 5.13C). Variation in the extent …

MCQs on Polytene and Lampbrush chromosome (giant …

Web• “A chromosome is an organized structure of DNA and protein found in cells. It is a single piece of coiled DNA containing many genes, … WebThe types are: 1. Polytene Chromosome or Giant Chromosome 2. B-Chromosome or Supernumerary Chromosome 3. Chimaera 4. SAT-Chromosome. Type # 1. Polytene … flights from honolulu to fairbanks alaska

Giant chromosomes - GCWK

WebEach chromosome territory is comprised of higher order chromatin units of ~1 Mb each. These units are likely built up from smaller loop domains. On the other hand, 1Mb domains can themselves serve as smaller units in higher-order chromatin structures [1]. Chromosome territories are known to be arranged radially around the nucleus. WebThese are the largest known chromosomes found in the yolk rich oocytic nuclei of certain vertebrates such as fishes, amphibians, reptiles and birds. They can be seen with naked eye and are characterized by fine lateral … WebSep 1, 2024 · this presentation describe different types of chromosomal abnormalities and variation occur in the structure and number of chromosomes. 20+ million members. 135+ million publication pages. 2.3 ... flights from honolulu to hartford