Junco Quizlet Crossword

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Across
  1. 2. Piece of DNA that contains multiple genes; these come in pairs in sexually reproducing organisms
  2. 5. Combination of alleles
  3. 9. ___________ pressure is the environmental factors that favor certain traits
  4. 10. An allele that is hidden whenever the dominant allele is present
  5. 11. differences in physical traits in a population
  6. 13. Set of DNA instructions for building a protein, which then determines a trait
  7. 14. A group of individuals that belong to the same species and live in the same area
Down
  1. 1. ________ trait is a physical characteristic that can be passed on genetically from parent to offspring
  2. 3. An allele whose trait always shows up in the organism when the allele is present.
  3. 4. Molecule that determines traits
  4. 6. An organism's physical appearance, or visible traits.
  5. 7. ___________ reproduction involves only one parent and produces offspring that are identical to the parent.
  6. 8. Different forms of a gene
  7. 12. _________ reproduction involves two parents that combine their genetic material to produce a new organism, which differs from both parents