Chapter Three Heredity and Environment

1234567891011121314151617181920
Across
  1. 2. fetal stage (8-10 weeks)
  2. 3. threadlike structure that contains protein
  3. 7. occupied by 1.5% of gene
  4. 8. deoxyribonucleic acid
  5. 9. cause only minor differences
  6. 12. portrays a person's chromosomes
  7. 13. more influential
  8. 16. a fertilized ovum
  9. 19. environmental influence
  10. 20. a long string of amino acids
Down
  1. 1. DNA molecules stores on a
  2. 4. cells cells that differentiate into specialized cell
  3. 5. additive gene
  4. 6. inability to conceive children
  5. 10. individual that carries
  6. 11. trait expressed when organism has two recessive cells
  7. 14. influence of genes
  8. 15. genes that have base pairs that are different
  9. 17. genetic constitution of a single organism
  10. 18. influenced by many factors