Biology Exam 2.2

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Across
  1. 3. chemical energy, kinetic energy, solar energy
  2. 7. how many alleles does each person have
  3. 12. having 2 different alleles
  4. 14. pair of chromosomes where each have the same gene
  5. 15. where does photosynthesis take place within a cell
  6. 18. alleles of different genes are distributed independently of one another
  7. 20. having 2 identical alleles
  8. 21. having only one copy of each chromosome . (sperm & egg)
Down
  1. 1. having 2 copies of each chromosome
  2. 2. the visible or measurable features of someone (eye color, hair color, height)
  3. 4. crossing over; when maternal & paternal chromosomes pair & physically exchange DNA segments
  4. 5. the equation that summarizes the reactions of photosynthesis
  5. 6. genetic makeup of an individual
  6. 8. because leaves absorb red & blue wavelengths & reflect great wavelengths
  7. 9. list different types of organisms capable of performing photosynthesis
  8. 10. separates homologous chromosomes
  9. 11. separates sister chromatids
  10. 13. reproductive cells that carry only one copy of each chromosome sperm & egg
  11. 16. "US" obtain energy by eating other organisms
  12. 17. what colors are associated with photosynthesis
  13. 19. plants/self-feeding>capture & transform the energy of sunlight by photosynthesis