Genetics & Heredity

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Across
  1. 3. cell division in sexually reproducing organisms that produce gametes
  2. 5. a trait that dominates another form of that trait
  3. 7. ________ charts reveal patterns of inheritance of a trait in a family
  4. 10. double stranded molecule that carries genetic information
  5. 12. physical characteristics passed from parent to offspring
  6. 13. a ________ square predicts the probability of different traits in offspring
  7. 15. an organism with two different alleles for a trait
  8. 18. threadlike structures made of protein and a single cell of molecule
  9. 20. a form of inheritance wherein the alleles of a gene pair in a heterozygote are fully expressed
Down
  1. 1. a change in the DNA sequence of a cell
  2. 2. a single parent cell divides to make two new daughter cells
  3. 4. physical appearance and behavior of an organism
  4. 6. an alternate form that a gene may have for a single trait
  5. 8. a single set of unpaired chromosomes
  6. 9. trait that is covered up by another form of that trait and seems to disappear
  7. 11. nucleic acid molecule that codes and decode genetic information
  8. 14. an egg that has been fertilized by sperm
  9. 16. two identical alleles for a trait
  10. 17. creation of living organisms produced by a single organism by sexual reproduction of two organisms
  11. 19. an organism's genetic make up