Genetics

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Across
  1. 4. traits that are passed down from parent to offspring.
  2. 5. carry instructions that determine traits
  3. 6. a diagram that is used by geneticists
  4. 8. the appearance of an organism or the trait you see
  5. 9. The presence of two different alleles at a particular gene locus.
  6. 10. the passing on of physical or mental characteristics genetically from one generation to another.
Down
  1. 1. A dominant trait is opposed to a recessive trait which is expressed only when two copies of the gene are present
  2. 2. the genetic makeup of an organism
  3. 3. only shows the trait when there are 2 copies if an allele
  4. 7. one of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome.