Genetics

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Across
  1. 5. A process in which a cell divides to form two identical daughter cells.
  2. 9. A type of cell division that produces gametes with half the number of chromosomes.
  3. 10. A version of a gene that can exist at a specific locus on a chromosome.
  4. 11. The observable physical or physiological traits of an organism.
  5. 13. Having two different alleles for a particular gene.
Down
  1. 1. A structure made of DNA and proteins that carries genetic information.
  2. 2. A gene that is expressed only when two copies are present, one from each parent.
  3. 3. A gene that is expressed in the phenotype even if only one copy is present.
  4. 4. A change in the DNA sequence that can occur naturally or due to environmental factors.
  5. 6. A molecule that carries genetic information in a double-helix structure.
  6. 7. The genetic constitution of an organism, including its specific alleles.
  7. 8. A segment of DNA that carries instructions for building and maintaining an organism’s cells.
  8. 12. A chart that shows genetic relationships within a family.
  9. 13. Having two identical alleles for a particular gene.