Heredity & Genetics

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Across
  1. 2. Alternative versions of genes.
  2. 3. A heritable trait that varies among individuals.
  3. 5. A diagram of a family tree showing the occurrence of heritable characters in parents and offspring over multiple generations.
  4. 6. A handy diagrammatic device for predicting the allele composition of offspring from a cross between individuals of known genetic makeup (two words).
  5. 8. What is the name of the true-breeding parents (two words)?
  6. 12. An organism that is heterzygous with respect to a single gene of interest.
Down
  1. 1. The two alleles for a heritable character segregate during gamete formation and end up in different games (three words).
  2. 4. The mating, or crossing, of two true-breeding varieties.
  3. 7. The transmission of traits from one generation to another.
  4. 8. A case where genes have multiple phenotypic effects.
  5. 9. A case where a gene at one locus alters the phenotypic expression of a gene at a second locus.
  6. 10. Breeding an organism of unknown genotype with a recessive homozygote.
  7. 11. variant of a character