Genetics Vocabulary

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Across
  1. 2. the combination of alleles that an animal has
  2. 4. represents a male on a pedigree chart
  3. 7. a physical structure that is passed from parents to offspring
  4. 9. a gene that is only expressed in the homozygous state
  5. 12. a type of molecule in our food that our body needs; each one has a different shape that allows it to do a specific job
  6. 13. a genetically determined characteristic
  7. 14. a distinct or different version of something
  8. 15. the physical structures that carry genetic information
  9. 17. if a person does not have the trait the symbol representing them will be _______ on a pedigree chart
  10. 19. if a person has a trait the symbol representing them will be ______ on a pedigree chart
  11. 21. the instructions stored in genes for making specific proteins
  12. 24. if a person carries a trait the symbol representing them will be ________ on a pedigree chart
  13. 25. the study of heredity
  14. 26. a certain region of a chromosome that causes a certain protein to be made
  15. 27. a genotype made of the same alleles
Down
  1. 1. the way an individual looks for a specific trait
  2. 3. a genotype with two different alleles
  3. 5. reproduction requiring only one parent
  4. 6. a ratio comparing the event in concern to the total attempts
  5. 8. different forms of genes which can lead to variations in a trait
  6. 10. when an egg cell and a sperm cell combine to develop into an offspring
  7. 11. a gene that is always expressed
  8. 16. a small change that happens to the structure of a chromosome that can be passed to future offspring but wasn't there before
  9. 18. an organized representation of a biological relationship
  10. 20. represents a female on a pedigree chart
  11. 22. where the chromosomes are located inside the cell
  12. 23. a comparison of two quantities