Genetics Vocabulary Review

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Across
  1. 2. cell division that results in four daughter cells each with half the number of chromosomes of the parent cell, as in the production of gametes and plant spores
  2. 5. the offspring of many generations that have the same traits
  3. 8. trait of an organism that can be masked by the dominant form of a trait
  4. 13. different forms of a gene
  5. 15. the study of heredity
  6. 17. the transmission of traits from one generation to the next
  7. 20. Mendel's test subjects of his genetic experiments
  8. 23. characteristics that are inherited
  9. 24. single-stranded nucleic acid that contains the sugar ribose
  10. 25. diagram that can be used to predict the genotype and phenotype combinations of a genetic cross
  11. 26. an allele that is always expressed
Down
  1. 1. having two identical alleles for a trait
  2. 3. an organism that has two different alleles for a trait
  3. 4. a threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes
  4. 6. mother/father that reproduce offspring
  5. 7. likelihood that a particular trait will be passed onto offspring
  6. 9. passed from parent to offspring
  7. 10. an organism's physical appearance, or visible traits
  8. 11. genetic makeup of an organism
  9. 12. having two different alleles for a trait
  10. 14. DNA segments that serve as the key functional units in hereditary transmission
  11. 16. a random error in gene replication that leads to a change
  12. 18. deoxyribonucleic acid; a complex molecule containing the genetic information that makes up the chromosomes
  13. 19. copying process by which a cell duplicates its DNA
  14. 21. chains of amino acids
  15. 22. cell division in which the nucleus divides into nuclei containing the same number of chromosomes; results in two identical daughter cells