Genetics Vocabulary

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Across
  1. 2. DNA includes instructions for synthesizing ____.
  2. 8. A gamete is a ____ cell.
  3. 12. Genes are located on ____.
  4. 13. Mitosis is when a cell divides, producing two genetically ____ cells.
  5. 15. Autosomal chromosomes are labeled with ____.
  6. 16. What do genotypes create?
  7. 19. What does a pedigree use to represent males?
  8. 20. A ____ is a letter, which in a pair indicates a genotype.
Down
  1. 1. A set of alleles are ____ recessive if they are in the form aa.
  2. 3. A trait passed on through the x chromosome.
  3. 4. Predicts the outcome of breeding for one trait.
  4. 5. For a recessive trait to be shown the alleles must be ____.
  5. 6. What causes phenotypes?
  6. 7. ____ dominance occurs when one allele is not expressed over the other, resulting in a mix of the two.
  7. 9. Diploid cells contain ____ complete sets of chromosomes.
  8. 10. When a set of alleles are heterozygous, the ____ trait is shown.
  9. 11. Meiosis is a process in which a cell divides to reduce its number of chromosomes, resulting in four ____ cells.
  10. 12. A set of alleles are homozygous dominant if both letters are ____.
  11. 14. A haploid cell has one set of ____ chromosomes.
  12. 17. Genotype determines ____ traits?
  13. 18. Chromosomes contain ____.