1. INHERITANCE 2. is the study of heredity is the process in which traits are passed from parents to offspring 3. Characters or Traits are resemblances or differences…

1. GENETICS: DNA, INHERITANCE AND GENIC DISEASES COMPLILED BY: SITHEMBISO BRIDGET NXUMALO (201122793) 2. GENETICS • Field of Biology that studies how characteristics are…

Slide 1Meiosis (necessary for sexual reproduction) Reduction Division sex cells egg/sperm (germ cells) 2N diploid N haploid ???why?? Humans 46 chromosomes 23 chromosomes…

1. Heredity Heredity 2. Terms you should know CHROMOSOME : thread of DNA, made up of a string of genes. GENE : a length of DNA that is the unit of heredity and codes for…

Slide 1Heredity Chapter 20 part 2 Slide 2 Genetic terms Trait - is a feature of an organism, i.e. hair colour Locus - a fixed position on a chromosome, such as the position…

Slide 1 The Ph Locus and the rise of bread wheat Dr Glyn Jenkins Slide 2 Wheat – a plant that feeds the world Cultivated area: 215,489,485 Ha (area of UK 22,933,252Ha)…

Slide 1 Human Genetic Disorders Slide 2 Types of mutations Genetic disorders occur due to mutations. Mutations are defined as permanent damage of DNA. Mutations that affect…

Slide 1 Mitosis Slide 2  In biology, mitosis is the process by which a cell separates its duplicated genome into two identical halves. It is generally followed immediately…

DNA and The Cell Cycle DNA and The Cell Cycle Forms of DNA DNA + Proteins = Chromosomes Most of the time, DNA is “unspooled” into loose strands – called chromatin can…

Cell Cycle and Cell Division Cell Division Creates two identical “daughter” cells roughly ½ the size of the parent cell Before the cell divides: DNA of the cell (chromosomes)…