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5 Written questions

5 Matching questions

  1. after DNA is replicated..
  2. heredity
  3. new DNA molecules are made by...
  4. sexual reproduction
  5. genes
  1. a contain half their genetic code from one parent and half from the other, making them similar but NOT identical
  2. b attaching matching base pairs of DNA to each template
  3. c is the passing on of genetic information from one generation to the next through reproduction
  4. d the cell divides to form two offspring cells, or daughter cells, each containing identical copies of DNA (mitosis)
  5. e are sequences of DNA that contain a code of instructions for a specific trait
    -a human cell contains many thousands of different genes, located on chromosomes, in its nucleus

5 Multiple choice questions

  1. share all genes from one parent (identical/clones)
  2. 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
  3. going from mRNA to protein
  4. -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. weak hydrogen bonds with may be broken to split into DNA into two single strands

5 True/False questions

  1. transfer moleculesmove specific amino acids to the ribosome, which are strung together to make a protein (transfer RNA)

          

  2. proteinsare sequences of DNA that contain a code of instructions for a specific trait
    -a human cell contains many thousands of different genes, located on chromosomes, in its nucleus

          

  3. DNAis an organic molecule made of many small subunits called nucleotides (monomers)
    -double helix molecule

          

  4. 4 nitrogenous basescontain the genetic code for all organisms

          

  5. for mutations to be inherited by offspring (sexual reproduction)...they can only be in sex cells, only sex mutations in sex cells can be inherited

          

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