Year 9 Biology end of year

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Across
  1. 4. the type of blood cell that contains haemoglobin and carries oxygen around the body
  2. 7. the type of dish used to grow bacteria
  3. 8. the type of variation caused by the combination of genes that have been inherited
  4. 12. resistance when a bacteria can no longer be killed by an antibiotic
  5. 14. a dead or modified microorganism
  6. 15. the type of variation that can have any value
  7. 16. the type of variation that has defined values
  8. 17. the area around an antibiotic disk where the bacteria are killed
  9. 21. how clearly the microscope can distinguish two separate points
  10. 24. the method of obtaining organisms with the desired characteristics that involves breeding
  11. 27. a short section of DNA that codes for a protein
  12. 28. a microbe that causes disease
  13. 29. when someone has _________ to a disease, they can no longer catch it
  14. 30. The differences between members of the same species
Down
  1. 1. the liquid that the blood cells travel in
  2. 2. the type of blood cell that produces antibodies
  3. 3. the method of transferring a gene form one organism to another
  4. 5. The impressions that the ridges on fingers leave
  5. 6. how much bigger the image appears compared to the object
  6. 9. the location of DNA in a cell
  7. 10. another name for eggs and sperm
  8. 11. occurs after death and makes the body go stiff
  9. 13. the type of variation caused by the environment
  10. 18. the percentage of genes inherited from the mother
  11. 19. method used to obtain genetically identical organism
  12. 20. a long strand of DNA made up of genes
  13. 22. the doctor who developed the first vaccine against small pox
  14. 23. a medicine that works by killing bacteria
  15. 25. blood group is determined by the _________ on the surface of red blood cells
  16. 26. the people that genes are inherited from