Science Vocab. Review #1

12345678910
Across
  1. 3. when egg and sperm cells join to form a new organism
  2. 5. passing of physical characteristics from parents to offspring
  3. 6. different forms of a gene
  4. 10. scientific study of heredity
Down
  1. 1. trait that always shows up when the allele is present
  2. 2. albino organisms sometimes have this color of eyes
  3. 4. more pigment (melanin) present which makes the organism darker than normal
  4. 7. lesser amount of pigment (melanin) making the organism lighter than normal
  5. 8. factors that control a trait
  6. 9. allele that is hidden whenever the dominant allele is present