Genetics and Heredity

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Across
  1. 3. threadlike structures made of DNA molecules that contain the genes
  2. 6. Product of reproduction, a new organism produced by one or more parents
  3. 7. genetic makeup of an organism
  4. 11. Describes a trait that covers over, or dominates, another form of that trait.
  5. 14. An organism that has two different alleles for a trait
  6. 16. A form of asexual reproduction of yeast in which a new cell grows out of the body of a parent.
  7. 17. Any difference between individuals of the same species.
  8. 18. Different forms of a gene
  9. 19. DNA segments that serve as the key functional units in hereditary transmission.
Down
  1. 1. genetic makeup of an organism
  2. 2. A diagram that shows the occurrence of a genetic trait in several generations of a family.
  3. 4. An organism's physical appearance, or visible traits.
  4. 5. Cell division that produces reproductive cells in sexually reproducing organisms
  5. 7. An organism that has two identical alleles for a trait
  6. 8. A characteristic that an organism can pass on to its offspring through its genes.
  7. 9. a random error in gene replication that leads to a change
  8. 10. An allele that is masked when a dominant allele is present
  9. 12. Change over time
  10. 13. A kingdom made up of nongreen, eukaryotic organisms that have no means of movement, reproduce by using spores, and get food by breaking down substances in their surroundings and absorbing the nutrients
  11. 15. cell division in which the nucleus divides into nuclei containing the same number of chromosomes