WebBacterial Chromosomes 3. Viral Chromosomes 4. Giant Chromosomes and 5. Polytene Chromosomes. Chromosome Type # 1. Eukaryotic Chromosomes: In 1879 Flemming used the word chromatin for the rod like bodies in the nucleus and Waldeyer coined the term chromosome for the darkly staining bodies in the cell nucleus. WebA chromosome is a thread-like structure located in the nucleus of cells such as plant, animal and human cells. Each chromosome is made of a molecule of DNA (Deoxyribonucleic acid) and histone proteins. Its unique structure keeps the two DNA strands tightly wrapped around the histone proteins. So, DNA is packaged into a …
Study of chromosome structure, morphology, number …
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 … WebDownload free ppt presentation on Chromosome, which is free to use for Chromosome powerpoint presentation slides. ... The longest metaphase chromosomes found in Trillium - 32 µ. The giant chromosomes found in diptera and they may be as long as 300 µ and up to 10 µ in diameter. In general, plants have longer chromosomes than animal … bus 55 tisseo
5 Special Types of Chromosomes Botany
WebThe prokaryotes usually consists of a single giant and circular chromosome in each of their nucloids. Each prokaryotic chromosome consists of a single circular, doublestranded DNA - ... chromosomes may bear terminal unipolar segments called telomeres. Certain chromosomes contain an additional . specialized segment, the nucleolus organizer ... WebThe Giant chromosomes are of two types; Lampbrush chromosome and Polytene chromosome. The term 'giant chromosome' was given by Winchester. i) Lampbrush … 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 ... ham won\u0027t fit in crockpot