Lesson 3 - Quarter 1

Cards (7)

  • DNA or deoxyribonucleic acid - is a double-stranded helix made up of repeating units of nucleoetides
  • James Watson & Francis Crick - they constructed the DNA double helix model
  • Nucleotides:
    Phosphate Group
    Deoxyribose Sugar
    Nitrogenous bases
  • Nitrogenous Bases:
    Thymine > Adenine
    Cytosine < Guanine
  • Genes - segments of DNA in a chromosome that describes how to make a molecule called proteins.
  • Locus - location of genes in chromosomes
  • Alleles - pair of genes that have same traits but different characteristics