Ch.8

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Across
  1. 1. when the organism is the offspring of many generations that have the same form of a trait
  2. 3. describes the factors that control a trait
  3. 5. when both alleles for a gene are expressed equally
  4. 6. organisms that have two different alleles for a trait
  5. 7. allele is hidden when the dominant allele is present
  6. 9. square chart that shows all the possible ways alleles can combine in a genetic cross
  7. 12. trait always shows up in the organism when the allele is present
  8. 13. genetic makeup, or alleles
  9. 15. are the different forms of a gene
Down
  1. 1. physical, or visible traits
  2. 2. the scientific study of heredity
  3. 4. an organism that has two identical alleles
  4. 8. the passing of physical characteristics from parents to offspring
  5. 10. characteristics such as stem height, seeds, or seed color
  6. 11. an organism that has two alleles for a trait
  7. 14. a number that describes how likely it is that an event will occur