Semester 1 Exam Revision

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Across
  1. 2. Rate at which an object's velocity changes over time
  2. 5. The observable physical characteristics of an organism produced by its genes
  3. 6. Cell division that halves the chromosome number to produce four haploid gametes
  4. 10. Having two different alleles for a gene, for example Tt
  5. 12. Genetic makeup of an organism, written using letter combinations such as AA or Bb
  6. 13. Straight-line change in position from start to finish, including direction
  7. 15. Cell division that produces two genetically identical daughter cells for growth and repair
Down
  1. 1. Speed measured in a specific direction; a vector quantity
  2. 3. one of the forms DNA takes during cell division, a condensed form with a centromere in the middle
  3. 4. Tendency of an object to resist any change in its state of motion
  4. 7. a velocity-time graph with a constant gradient has a _____ acceleration
  5. 8. Having two identical alleles for a gene, for example TT or tt
  6. 9. Allele that is always expressed when at least one copy is present
  7. 11. Allele that is only expressed when two identical copies are inherited
  8. 14. This law of Newton says that every action has an equal and opposite reaction.