Genetics

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Across
  1. 4. allele: the allele that, if present, produces the same phenotype whether its paired allele is identical or different.
  2. 6. having two different alleles in corresponding positions on a pair of homologous
  3. 7. either of a pair (or series) of alternative forms of a gene that occupy the same position on a particular chromosome and that control the same character.
  4. 9. the combination of alleles present in an organism.
  5. 10. allele: the allele that only shows its effect on the phenotype if its paired allele is identical.
Down
  1. 1. the observable characteristics of an organism.
  2. 2. trait: an inherited trait that results from the presence of a single dominant allele. It is seen in an individual with one or two dominant alleles.
  3. 3. neither allele dominates the other such that the influence of both alleles is visible in the heterozygous individual.
  4. 5. trait: an inherited trait that results from the presence of two recessive alleles. It is only seen in an individual with no dominant allele.
  5. 8. having two identical alleles in corresponding positions on a pair of homologous
  6. 9. the basic unit of heredity which is composed of DNA occupies a fixed position on a chromosome and determines a specific characteristic.