PPT-Chapter 4 Genetic and Chromosomal Factors

Taylor amp Francis 2015 ROLE OF GENES AND CHROMOSOMES A zygote is a single fertilized cell A somatic cell is a body cell A germ cell is a sex cell Cell structure includes a cell membrane that surrounds the cell material cytoplasm The nucleus in the center of the cell houses the chromosomes. And 57375en 57375ere Were None meets the standard for Range of Reading and Level of Text Complexity for grade 8 Its structure pacing and universal appeal make it an appropriate reading choice for reluctant readers 57375e book also o57373ers students Types . of Mutations | . Effects . of . Mutations. Learning Objectives. Identify different changes to DNA within both genes and chromosomes. Evaluate effects of changes to DNA on proteins produced and organisms’ overall survival. Mutations. Hollywood’s images of . mutation. Mutations. Actual Mutations . in fruit flies. What is a mutation?. A mutation is any change in a cell’s DNA. A mutation can occur in an individual gene. Istanbul. . International. . Hospital. IVF . Center. Is . aneuploidy. . screening. an . efficient. . tool. in . embryo. . selection. ?. Best. . embryo. Symmetrical. . PNs. . with. . equal. Cytogenetics. CDC’s 2003 Science Ambassador Program. Overview. I. Chromosomal Variations. A. Polyploidy. B. Aneuploidy. II. Syndromes resulting from Aneuploidy. A. Trisomy 13. B. Trisomy 18. C. Down Syndrome. Henry County Professional Learning High School Session II. Chromosomal Mutations. Deletion. – part of the chromosome is missing. Starts with breaks in the chromosome. Radiation, heat, viruses, chemicals, etc.. 12.1 Chromosomal Inheritance . 1. Genes are located on chromosomes; this is called the . chromosome theory of inheritance. .. 12.1 Chromosomal Inheritance. Chromosomes can be categorized as two types:. ! . Asmaa A. Almukhtar .PHD . Lecturer . Medical Genetic Department. ICCMGR. 2021. How to read karyotype?. Need to know chromosomal structure and composition. What is the karyotype?(photograph). What is the karyotyping?(process). Prokaryotic cell. Plasmid (ring of DNA. ). 50 x Smaller 0.2-2μm. 50 x Bigger 10-100μm. And small rings of DNA called plasmids. Inside a nucleus. Main differences. Prokaryotes:. SIZE – 50 x smaller than eukaryotes. R. Selvi a , Govind Raghav Saranya a , Jyotsna Murthy b , Andrea Mary F a , Solomon F. D. Paul a CORRESPONDING AUTHOR : Ms. R. SELVI Lecturer, Department of Human Genetics, Sri Ramachandra Universit Prepared by Rania Naoufal, M.D.. Learning Objectives. Chromosome structure. Chromatin. Chromatin exists in several alternative configurations, depending on what that particular stretch of DNA is doing. Department of Zoology. Govt. P.G. College for Women, Gandhinagar, Jammu. . Structural Chromosomal Aberrations. Chromosomal. . aberrations. . are. . substantial changes. . in. . chromosome. . structure and number. Asmaa A. Almukhtar .PHD . Lecturer . Medical Genetic Department. ICCMGR. 2023. Introduction to Chromosomal Analysis. Reading &Writing a Chromosomal Analysis Report. How to write the chromosomal analysis report?. Suud. . khalifa. 2- Diseases caused by mutation in mitochondrial genes:. Mitochondria contain several genes encodes for enzymes of oxidative phosphorylation, usually the ovum contain the large part of mitochondria, so the inheritance of mitochondrial gene is maternal..