6.human genetics

6.human genetics

• 1.
  UNIT 6 HUMAN GENETICS
• 2.
  HUMAN VARIATION Genetic differences:each person has their own exclusive genotype Environmental factors: can affect the genes expression. These effects are not inherited
• 3.
  QUANTITATIVE TRAITS Skin colour Weight Height Eyecolour Hair colour
• 4.
  QUALITATIVE TRAITS Cowlick twirlingright/left Ability to roll the tongue Freckles
• 5.
  The ABO systemestablishes four blood groups (A, B, AB and O) according to the presence or absence of certain proteins, called A and B, in the membrane of the red blood cells.
• 6.
  Depending on theproteins (A or B) in the red blood cells, there will or will not be anti-A or anti-B proteins, or antibodies, in the blood plasma. Anti-A antibodies are capable of uniting with A proteins; and anti-B antibodies can unite with B proteins.
• 7.
  Bloodtyping Virtual Lab
• 8.
  HUMAN KARYOTYPE
• 9.
  DIAGNOSIS OF GENETICDISEASES
• 10.
  HUMAN GENETIC DISORDERS Albinism Polydactyly Cancer
• 11.
  SEX LINKED DISORDERS
• 12.
  Is the anomalousgene dominant or recessive? Indicate the genotype of a man affected with the anomaly. Indicate the genotypes of the women affected. (use X = normal chromosome; x = chromosome with the anomalous gene)
• 13.
  INHERITANCE INFLUENCED BYSEX
• 15.
  Indicate the genotypesof the man and woman affected.
• 16.
  AUTOSOMAL DISORDERS Down syndrome
• 17.
  Edwards syndrome
• 18.
  Patau syndrome
• 19.
  SEX CHROMOSOMES DISORDERS TripleX syndrome
• 20.
  Turner syndrome
• 21.
  Klinefelter syndrome
• 22.
  XYY Syndrome
• 23.
  CHANGES IN CHROMOSOMESSTRUCTURE