Heredity and Inheritance

Edit Answers
123456789101112
Across
  1. 4. – An organism that has two different alleles for a trait; another name for heterozygous.
  2. 8. – An allele that masks the expression of another allele and is always expressed if present.
  3. 9. – The observable physical characteristics of an organism (e.g., blue eyes).
  4. 10. – Different versions or forms of a single gene.
  5. 11. – The basic unit of heredity passed from parent to child.
  6. 12. – The passing of physical characteristics from parents to offspring.
Down
  1. 1. – Having two identical alleles for a particular gene (e.g., BB or bb).
  2. 2. – The genetic makeup of an organism, represented by allele combinations like Tt.
  3. 3. – A specific characteristic, such as seed color or plant height.
  4. 5. – The molecule that carries the genetic instructions for all living things.
  5. 6. – An allele that is only expressed when two copies are present (e.g., bb).
  6. 7. – An organism that always produces offspring with the same trait; another name for homozygous.