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...
Micropropagation of Plants The nature of plant growth means that plants can be grown by a process known as?micropropagation Micropropagation is a form of?tissue culture?in which?plant cells are cul...
Plant Hormones & Shoot Growth Plant hormones?are responsible for most communication within plants Plant hormones are not the same as hormones in animals but they are?chemical messengers?so the ...
Plant Growth Plant growth occurs in regions known as?meristems The cells in these regions are known as?meristem cells Meristem cells are?undifferentiated; they actively divide by?mitosis?to produce...
