5 Written Questions
5 Matching Questions
- Central dogma
- Homeobox genes
- Neutral mutation
- a Genes that control the development of the body plan of an organism.
- b The fundamental relationship between DNA, RNA and protein first outlined by Francis Crick in 1958.
- c Type of nuclear division. A reduction division. The chromosome number is halved. It involves two divisions. It produces cells that are genetically different from each other and from the parent cell.
- d An alternative version of a gene carrying sequence differences.
- e A mutation that even though it may change a coding sequence exerts no harmful or beneficial effects.
5 Multiple Choice Questions
- A change to the DNA structure altering the sequence of bases.
- Eukaryotic cell or organism having only one set of chromosomes. Denoted by n.
- The DNA strand that is used for assembly of mRNA by RNA polymerase using base-pairing rules. Complementary to the message sequence.
- Failure of members of a homologous pair of chromosomes, or of a pair of chromatids, to separate during nuclear division.
- Structural change to genetic material - either to a gene or to a chromosome.
5 True/False Questions
Morphogen → Characteristic coded for by one gene.
Ribosomal RNA → Three types of RNA that form an important structural and functional role within the ribosome.
Sexual reproduction → Causes an expansion or contraction of a run of identical codons within a gene affecting the length of a run of identical amino acids in the polypeptide.
Protein → Macromolecule that is a polymer of many amino acids joined by peptide bonds. May comprise more than one polypeptide chains.
Polysome → All the genetic information within an organism/cell.