F: BIO

• Food Storage roots

  • most roots store some food
  • some are enlarged to store starch and other carbohydrates.
• Sweet potato, raddish, and carrot is an example of food storage roots
• Pneumataphores

  • extend above the surface of water for plants that grow in swampy areas
  • Help roots exchange gases
• Function of the root

  • It serves as foundation of the plant
  • It serves as a canal / pathway
  • Take in water and minerals from the soil
  • They help in storing food and nutrients.
• Mangroves is an example of Pneumataphores
• Aerial Roots

  • Roots that occur above the surface of the soil
• Proproots in corn is an example of aerial roots
• Aerial roots is an adventitious roots ivy for climbing
• Poison Ivy is an example of aerial root
• Parasitic Roots is also known as haustoria
• Parasitic Roots

  • a peg-like projections penetrate host's stem
• Parasitic Roots

  -Usually in plants do not contain chlorophyll
• Pinedrope and dodder is an example of Parasitic Roots
• Buttress Roots

  • Huge roots near base of trunk
• Buttress Roots

  • Usually in trees that grow in shallow soil, rainforest environments
• Tropical trees is an example of Buttress Roots
• Gregor Johann Mendell started the investigation of inheritance using garden peas (Pisum sativum)
• Genetics

  • study of heredity, inheritance, and variation
• Alleles are alternatives of a trait in a gene pair
• Homozygous - gene with same allele
• Heterozygous - a gene with diff allele
• Phenotype - a term that refers to the physical or chemical traits that are expressed in an individual
• Genotype - refers to the pair of alleles that determines what forms of the trait will be expressed
• Pisum sativum has seven characteristics
• Seven characteristics of pisum sativum

  • stem length ( Tall & dwarf)
  • pod shape (inflated & constricted)
  • pod color (green & yellow)
  • seed shape (round & wrinkled)
  • seed color (yellow & green
  • flower position (axial & terminal)
  • flower color (purple & white)
• Dominant trait

  • refers to the trait observed in hybrid plants
• Recessive trait

  •  trait that tends to be masked by other inherited traits, yet persists in a population among heterozygous genotypes.
• Gene

  • made up of a pair of alleles