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5 Written questions

5 Matching questions

  1. mutation
  2. genetic engineering
  3. gene expression
  4. biotechnology
  5. human traits
  1. a a new technology used to alter the genetic instructions of organisms
  2. b applying technology to biology, has been around for thousands of years
  3. c an alteration in a sequence of DNA
    -change the normal message carried by the gene, causing a defect
    - they are random
    -affect the synthesis of proteins, which causes malfunctions in the cell. EX.) sickle cell anemia is caused by a substitution in the cell
    -can cause cell death
  4. d -every body cell contains a complete set of identical genetic instructions
    -cells have selective activation of only the genes necessary for that cell
    - the environment can also affect the expression of genes
  5. e -the traits inherited by an individual can be determined from one pare of genes or by several pairs of genes
    -some gene pairs can influence more than just one trait
    -some traits are observable, while others are not (examples: hair or eye color, ability to produce insulin, or types of receptors on cell membranes)

5 Multiple choice questions

  1. share all genes from one parent (identical/clones)
  2. replicate or copy, its coded instructions
  3. they can only be in sex cells, only sex mutations in sex cells can be inherited
  4. technique used to separate DNA
  5. -carry out most of the cells
    -can be enzymes, hormones, antibodies, or make up parts of cell organelles
    -the DNA code of gene is read in the nucleus and a messenger molecule is created (messenger RNA)
    -the message travels to a ribosome in the cytoplasm

5 True/False questions

  1. each subunit contains...a sugar, phosphate, and a nitrogenous base


  2. translationgoing from DNA to mRNA


  3. sexual reproductioncontain half their genetic code from one parent and half from the other, making them similar but NOT identical


  4. new DNA molecules are made by...attaching matching base pairs of DNA to each template


  5. transcriptiongoing from DNA to mRNA