PPT-The Chromosomes and karyotype

Phases of Mitosis and Meiosis Unit 2 glossary Chromatin diffuse long fibers of DNA with proteins attached Single chromosomes a chromosome which has not been duplicated like ½ of an x Duplicated chromosomes a chromosome which has been duplicated a complete X. Genetics 202. Jon Bernstein. Department of Pediatrics. September 29. th. , 2015. Learning Goals – Applied Cytogenetics. Learn normal chromosome structure and nomenclature. Gain familiarity with the results of errors in Meiosis and Mitosis, how they are diagnosed and how the behave in families. What . is a karyotype. ?. Images of chromosomes stained during metaphase. 2. How many pairs of autosomes do humans have? . 22. How . many pairs of sex chromosomes. ?. 1. 3. How are chromosomes arranged in a karyotype?. GENES. DNA. DNA. :  the chemical inside the nucleus of a cell that carries the genetic instructions for making living organisms. . The material inside the nucleus of cells that carries genetic information.. La gamme de thé MORPHEE vise toute générations recherchant le sommeil paisible tant désiré et non procuré par tout types de médicaments. Essentiellement composé de feuille de morphine, ce thé vous assurera d’un rétablissement digne d’un voyage sur . Samantha Bonilla. Vocabulary. •. Karyotype. . •. Somatic cell. •. . Life cycle. •. . Homologous chromosome. •. . S. ex chromosome. •. . Autosome. •. . Diploid cell. •. . Haploid cell. Ms. Diana and Ms. Su’ad. Karyotype Studies. The study of genetic material does not only involve the study of genes. It also involves whole chromosomes by using images of chromosomes stained during metaphase. . B. Sc. I . Dr. Narayan R. Mane. Department Of Zoology. GKG College, Kolhapur . There are 46 chromosome in the human i.e. 22 pairs of autosome and 1 pair of sex chromosome. In male is XY and in female it is XX.. 2. Chromosomal Mutations. Change in # or structure of chromosome. Happens as result of chromosomes breaking during meiosis. Can occur in any organism, but normally in plants. Five types. . Deletion. : is the general morphology of the somatic chromosome. Generally, . karyotypes. represent by arranging in the descending order of size keeping their . centromeres. in a straight line.. Idiotype. : the . DISCLAIMER: • The presentation includes images which are taken from Google images or books . • They are being used in the presentation only for educational purpose . • The author of the presenta 171 Turner syndrome (TS) is a genetic disorder which is characterized by the complete or partial absence of the X chromosome. The incidence is 1/2500 female live births. The main clinical findings are The recent cytological findings have also condemned the view that chromosomes have pellicle, matrix and chromonemata.A. Nucleolus organizer B. Chromosome C. NucleolusThe structure of chromosomes and g They are also called as mega chromosomes. . These chromosomes are very long and thick in appearance during metaphase than normal chromosomes.. Hence they are called as Giant chromosomes.. The Giant chromosomes are of two types-. Salahaddin University - Erbil. Cytogenetics– 2. nd. Course. . Human . Chromosome Nomenclature. . . Academic Year: . 2022/2023. . INTRODUCTION. Advancements .