Biology time!

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Across
  1. 5. An organism with two identical alleles for a given gene
  2. 7. Inheritance pattern where a heterozygote shows an intermediate phenotype
  3. 9. Cancer that has spread from its original site to other parts of the body
  4. 10. A chronic disease characterised by high blood glucose levels
  5. 13. The physical location of a gene on a chromosome
  6. 14. Immunity gained through exposure to a pathogen or vaccine that generates memory cells
  7. 18. An uncontrolled division of cells forming a mass
  8. 20. The evolutionary process by which populations change over time due to selection pressures
  9. 23. An organism whose genome has been altered using biotechnology
  10. 24. The study of the distribution and determinants of disease in populations
  11. 25. A weakened or inactive form of a pathogen used to stimulate immunity
  12. 26. A substance known to cause cancer
  13. 28. A technique used to make many copies of a specific DNA segment
  14. 29. The genetic makeup of an organism
  15. 32. The body's system for maintaining a stable internal environment
  16. 34. An organism's observable characteristics
  17. 35. A version of a gene
  18. 37. A change in a single nucleotide base pair
  19. 38. Factors like diet, smoking, and exercise that influence disease risk
Down
  1. 1. A pattern of inheritance where both alleles are fully expressed in the heterozygote
  2. 2. Programmed cell death, a normal process disrupted in cancer
  3. 3. White blood cells responsible for engulfing pathogens
  4. 4. The process of cell division that produces gametes with half the chromosome number
  5. 6. A random change in allele frequency, especially significant in small populations
  6. 8. A disease-causing organism
  7. 11. Bacterial enzymes that cut DNA at specific sequences, used in genetic engineering
  8. 12. A non-cellular infectious agent that requires a host cell to replicate
  9. 15. A permanent change in the DNA sequence
  10. 16. The transfer of a pathogen from a reservoir to a susceptible host
  11. 17. A disorder in which the immune system attacks the body's own cells
  12. 19. A molecule on the surface of a pathogen that triggers an immune response
  13. 21. Proteins produced by B cells that recognise specific antigens
  14. 22. A disease not caused by a pathogen
  15. 26. The gene-editing tool derived from a bacterial immune system
  16. 27. The exchange of genetic material between homologous chromosomes during meiosis
  17. 30. A hormone-producing gland involved in regulating metabolism
  18. 31. The enzyme that unwinds the DNA double helix during replication
  19. 33. An organism that carries and transmits a pathogen without being affected itself
  20. 36. A diagram used to trace inheritance of a trait through generations of a family
  21. 37. A small circular piece of bacterial DNA often used as a vector in genetic engineering