Drawing Chiasmata Skill: Drawing diagrams to show chiasmata formed by crossing over Drawing tips Use two coloured pens/pencils to show chromosomes/chromatids of maternal or paternal origin One chro...
Meiosis II Second division of Meiosis : Meiosis II There is no interphase between meiosis I and meiosis II so the DNA is not replicated The second division of meiosis is almost identical to the sta...
Meiosis I Homologous chromosomes separate in meiosis I Prophase I DNA has already replicated and condenses and becomes visible as chromosomes Each chromosome consists of two sister chromatids joine...
Crossing Over Crossing over is the exchange of DNA material between non-sister homologous chromatids Meiosis has several mechanisms that increase the genetic diversity of gametes produced Both cros...
Replication of Chromosomes Like mitosis, meiosis is preceded by DNA replication Like most other eukaryotic cells, gamete-producing cells perform a cell cycle Gamete-producing cells are found in the...
Experiments Investigating Factors Affecting Germination Seeds remain dormant long enough to allow seed dispersal or until conditions are favourable During dormancy the seed is unable to germinate a...
Drawing the Internal Structure of Seeds A seed consists of several parts which can be shown in a labelled diagram Testa The seed coat Cotyledon or cotyledons The leaf or leaves of the embryo which ...
Mutualism Between Flowers & Pollinators Sexual reproduction in plants requires the transfer of pollen between flowers Methods of pollen transfer can include: Wind Animals Water Most flowering p...
Flowering & Gene Expression The life cycle of a flowering plant involves The vegetative phase The part of the life cycle during which plant growth takes places A plant in the vegetative phase c...
