Genetics/Heredity/Evo. Vocabulary

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Across
  1. 3. table showing possible combinations of offspring genotypes
  2. 5. cell with a single set of chromosomes (gametes)
  3. 6. chromosomes showing a female
  4. 8. when a gene moves into (or out of) a population
  5. 10. random event where only a small group of the original population survives
  6. 11. image showing an organism's complete set of chromosomes
  7. 13. a variation of a gene
  8. 14. chromosome showing a male
  9. 16. basic unit of heredity passed from parent to child
  10. 18. cell with two complete sets of chromosomes (somatic)
  11. 20. selection where the average phenotype is favored
  12. 23. random event that greatly reduces the size of a population
  13. 25. when two traits combine and create a new trait
  14. 27. a process where species adapt over time to changes in their environment
  15. 28. the physical expression of a gene
  16. 29. when two traits are expressed in the phenotype
  17. 30. diagram of a family following a particular trait
  18. 32. a random change in frequency of an allele in a population
Down
  1. 1. a change in DNA created by environmental factors
  2. 2. type of isolation created by differences in timing of reproductive behaviors
  3. 4. when a trait is carried on the x chromosome
  4. 7. a random change creating a new change in DNA
  5. 9. type of isolation created by different mating traits
  6. 12. the disappearance of a species
  7. 15. in a heterozygous genotype, this allele will not be seen
  8. 17. when a third copy of an allele is present on a chromosome
  9. 19. in a heterozygous genotype, this allele will be expressed
  10. 21. the creation of a new species
  11. 22. the combination of alleles in an organism's DNA
  12. 24. selection where one extreme of a phenotype is favored
  13. 26. selection where both extremes of a phenotype are favored
  14. 31. type of isolation created by a physical, environmental barrier