Genetics and Heredity

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Across
  1. 2. single stranded
  2. 4. large complex molecules that play many critical roles in the body
  3. 7. the presence of a single set of chromosomes in an organism
  4. 11. contains 23 pairs
  5. 12. double helix
  6. 14. diagram of family history
  7. 16. the relationship between two versions of a gene
  8. 18. accelerate chemical reactions
  9. 20. a reproductive cell of an animal or plant
Down
  1. 1. a table in which all of the possible outcomes for a genetic cross can be determined
  2. 3. presence of two complete sets of chromosomes in an organism
  3. 5. serves as a link between the messenger RNA molecule and the growing chain of amino acids
  4. 6. the process a cell goes through each time it divides
  5. 8. carry the genetic information needed to make proteins
  6. 9. any of the body cells except the reproductive cells
  7. 10. cell division in which each daughter cell receives half the amount of DNA
  8. 13. made up of sequences of DNA
  9. 15. a trait that is expressed only when genotype is homozygous
  10. 17. a single parent cell divides to make two new daughter cells
  11. 19. fertilized egg cell