Year 10 Biology

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Across
  1. 1. Process of copying DNA
  2. 5. Expression of both alleles in heterozygotes
  3. 6. Deoxyribonucleic Acid
  4. 8. Units of heredity
  5. 10. Nitrogenous unit of a nucleotide
  6. 13. _____ Charts: Diagrams showing inheritance patterns within a family
  7. 15. _____ bonds: Weak chemical bonds between hydrogen and other atoms
  8. 18. Observable characteristics of an organism
  9. 19. Different forms of a gene
  10. 20. Having one set of chromosomes
  11. 22. Cell division resulting in two identical daughter cells
  12. 24. Having two different alleles for a gene
Down
  1. 2. _____ base pairing: Matching of bases in DNA strands (A-T, G-C)
  2. 3. Genetic makeup of an organism
  3. 4. ____ cells: Cells formed through cell division
  4. 7. _____ Projects: Projects aiming to map and sequence the entire set of DNA in an organism
  5. 9. ____ Inheritance: Transmission of traits from parents to offspring
  6. 11. Allele expressed in the phenotype only when no dominant allele is present
  7. 12. Thread-like structures containing DNA
  8. 14. Having two sets of chromosomes
  9. 16. Allele expressed in the phenotype when present
  10. 17. ______ dominance: Blending of alleles in heterozygotes
  11. 18. ______squares: Diagrams used to predict offspring genotypes
  12. 21. Cell division producing gametes
  13. 23. Having two identical alleles for a gene