{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Nov17,20,06 - Simple and compound leaves(Fig 35.6 Simple...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
November 17, 2006 Simple and compound leaves (Fig 35.6) Simple Compound (Doubly Compound)
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Cross-section of a leaf Plant development processes o Patterning Specification of cell types ( differentiation) Specification of spatial and temporal patterns or arrangements Blueprint of development (located within the genome of an organism) o Morphogenesis Origin of shape/morphology – how a body generates form Dependent upon cell division, cell expansion, cell movement, and cell differentiation o Growth An increase in size Control over cell number and size Plant development is genetically regulated o Genes provide proteins, RNA’s, DNA’s BUT – development is also dependent on external factors (the environment) Patterning o Controlled by transcription factors, and spatial or temporal factors o Phases of plant development Embryogenesis Seed development Involves the transformation of a zygote into a multicellular structure ( sporophyte)
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}