genetics

• the father of genetics due to his discoveries of the fundamental laws of heredity and inheritance?


  Gregor Johann Mendel
• laws of inheritance?


  Law of unit factor, Law of segregation, Law of independent assortment, Law of dominance
• all organisms contain two unit of heredity for each trait (allele)?


  law of unit factor
• each unit factor will segregate to form gametes?

  law of segregation
• each unit factors will assort independently?

  law of independent assortment
• one unit factors dominate over the other?

  law of dominance
• terminologies?

  phenotype, genotype. phenotypic ratio, genotypic ratio
• refers to the physical appearance of an organism?

  phenotype
• refers to the genetic make up of an organism represented by alleles ex: TT Tt tt?


  genotype
• ratio of phenotype?

  phenotypic ratio
• ratio of genotype?


  genotypic ratio
• type of cell division that produces four identical cell?


  meiosis
• meiosis occurs in?

  gametes/sexcells
• purpose of meiosis?


  sexual reproduction
• disintegration of the of the nuclear membrane?

  meiosis prophase 1
• in meiosis prophase 1 the centrioles duplicated and start to produce what?


  spindle fibers
• five stages of meiosis prophase 1?

  leptotene, zygotene, pachytene, diplotene, diakinesis
• prophase begins and chromosomes start to condense?


  leptotene
• synapsis begins and the synaptomenal complex forms?


  zygotene
• the crossing over happens?


  pachytene
• sypnasis ends and chiasma is visible within the bivalent?


  diplotene
• prophase ends and nuclear membrane disintegrates?


  diakinesis
• chromosomes will align at the equatorial plate?

  homologous
• diploid?

  2 pairs of chromosomes
• set of chromosomes in human body?

  karyotyping