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5 Written questions

5 Matching questions

  1. Protein
  2. Mutation
  3. Genome
  4. Neutral mutation
  5. Recessive
  1. a Macromolecule that is a polymer of many amino acids joined by peptide bonds. May comprise more than one polypeptide chains.
  2. b All the genetic information within an organism/cell.
  3. c Characteristic in which the allele responsible is only expressed in the phenotype if there is no dominant allele present.
  4. d A mutation that even though it may change a coding sequence exerts no harmful or beneficial effects.
  5. e Structural change to genetic material - either to a gene or to a chromosome.

5 Multiple choice questions

  1. Member of a pair of homologous chromosomes that originally came from the male gamete.
  2. Eukaryotic cell or organism that has two different alleles for a specific gene.
  3. Small vesicle formed that breaks away from the cell membrane during apoptosis
  4. Characteristic in which the allele responsible is expressed in the phenotype even in those with heterozygous genotypes.
  5. A stretch of DNA consisting of two or more genes that are transcribed together and coregulated.

5 True/False questions

  1. Homeotic selector genesVariation introduced due to the random orientation and subsequent segregation of maternal and paternal chromosomes during meiosis 1, or sister chromatids at meiosis 2.


  2. PhagocytosisProgrammed cell death. An orderly process by which cells self-destruct in an orderly fashion after a certain number of cell divisions, or if they cannot repair DNA damage.


  3. PolyploidEukaryotic organisms or cell with more than two sets of chromosomes.


  4. Genetic codeStructure formed on the centromere that attaches the chromosomes to the spindle fibres during mitosis and meiosis.


  5. CodonA sequence of three bases that codes for a single amino acid according to the genetic code.


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