Chapter Three Heredity and Environment

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Across
  1. 3. a long string of amino acids
  2. 5. influenced by many factors
  3. 7. threadlike structure that contains protein
  4. 9. genes that have base pairs that are different
  5. 11. occupied by 1.5% of gene
  6. 14. cause only minor differences
  7. 16. influence of genes
  8. 18. trait expressed when organism has two recessive cells
Down
  1. 1. portrays a person's chromosomes
  2. 2. a fertilized ovum
  3. 4. fetal stage (8-10 weeks)
  4. 6. more influential
  5. 7. DNA molecules stores on a
  6. 8. cells cells that differentiate into specialized cell
  7. 10. inability to conceive children
  8. 12. deoxyribonucleic acid
  9. 13. genetic constitution of a single organism
  10. 15. individual that carries
  11. 17. additive gene
  12. 19. environmental influence