PPT-INTRODUCTION Chromosomes are the structures that contain the genetic material

They are complexes of DNA and proteins The genome comprises all the genetic material that an organism possesses In bacteria it is typically a single circular chromosome In eukaryotes it refers to one complete set of . and how is it arranged!. Mike . Clark, M.D.. Amount of Genetic Material in a Cell. Before we discuss mitosis or meiosis – let’s examine how much genetic material is in a cell.. There are two divisions of cells in the human body- somatic cells and gametes (sex cells). Genetic Variability. You Must Know. The importance of crossing over, independent assortment and random fertilization . to increasing genetic variability.. Mutations (changes in an organism’s. DNA) are the original source of genetic diversity. Description .   . A. Reproduction is characteristic of living things and is essential for the survival of species. . B. Genetic information is passed from generation to generation by DNA; DNA controls the traits of an organism. . Obectives. Describe the result of meiotic division in terms of sexual reproduction. Discuss the structure of homologous chromosomes. Describe chromosomes in terms of ploidy. Distinguish between sexual and asexual reproduction. By:. Dola Pathak. For:. STAT 992:Computational Statistics. SPRING 2015. 1. Motivating Example. Motivating Example. The . data were collected at . Baystate. Medical Center in Spring- field, Massachusetts, in . Environmental Influence,. Sex-Linked Traits. In this presentation. Slides 3-4: . Punnett. Square. Slide 5-7: Co-Dominance and Blood-typing. Slide 8: Incomplete Dominance. Slide 9: Sex Linked Traits (X-Linked Traits). ANGGOTA KELOMPOK. SRI YUNIARTININGSIH (P2BA10009). YAYUK SUGIYARTI (P2BA10025). IHDA SYFAI (P2BA10010). Origins of Genetic Variation Among Offspring. The behavior of chromosomes during meiosis and fertilization is responsible for most of the variation that arises in each generation. Botany . Hons. .. Paper IV. Dr. Pushpanjali Khare. Sr. . Asstt. . Professor &. Head, . Lecturer . Dr. Samah A. Jassam BSc MSc PhD . MRSB. Al-Mustansiriya University . Collage of Pharmacy. What is the secret behind the . transmission of hereditary characteristics from generation to . Illustrate the steps of meiosis. Describe the roles of crossing over and independent assortment in meiosis . Explain the importance of meiosis to living organisms. Words to know. Crossing over. - the process by which genetic material is exchanged by non-sister chromatids during prophase I of meiosis. karyotype. is an important clinical method for diagnosing genetic disorders.  Explain why it is useful for diagnosing . monosomies. and . trisomies. .”  . (3 marks). Key Ideas. karyotype. = photograph of all the chromosomes in a cell. Over the last few decades, a significant transition has taken place in the etiology of diseases affecting mankind. Environmentally related disorders have decreased & genetic disorders & non-communicable disorders have become a major cause of morbidity and mortality. ). The . chemical and engineering basis of . heredity. Dr. . israa. . hussein. . hamzah. email: . esraa_hassan17@yahoo.com. szsh@uomustansiriyah.edu.iq. Reference book. : . genetic (Conceptual-Approach) fourth edition (2010). INTRODUCTION. In 1865, Mendel showed that genes transmitted genetic information and in the first part of the 20. th. century, their patterns of transmission were studied extensively.. Although these classical genetic studies provided little insight into the molecular nature of genes, they did demonstrate that the genetic material must perform three essential functions: .