Biology Exam Practice

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Across
  1. 3. Offspring are EXACT GENETIC COPIES of parent
  2. 5. G1 phase, S phase, G2 phase
  3. 7. the entire complex of DNA and proteins that is the building material of chromosomes.
  4. 9. Mitosis and cytokinesis
  5. 10. caused by abnormally-shaped red blood cells that can clog blood vessels, but believe it or not is advantageous when it comes to malaria
  6. 15. DNA is found on a single, circular chromosome
  7. 16. the reproduction of cells
  8. 18. the actual division of genetic material (DNA) to produce two genetically-identical cells
Down
  1. 1. A gene that can have multiple phenotypic effects
  2. 2. the DNA in a cell
  3. 4. DNA is found on multiple, linear chromosomes
  4. 6. Offspring are UNIQUE due to different combinations of genes being inherited from 2 parents
  5. 7. caused by a defective cellular membrane protein that causes a mucus buildup
  6. 8. lack of pigmentation
  7. 11. the division of the cytoplasm to the two genetically-identical cells
  8. 12. the life of a cell from the time it is first formed from a parent cell until its own division into 2 daughter cells
  9. 13. The 23 chromosomes in a human gamete cell
  10. 14. The 46 chromosomes in a human somatic cell
  11. 17. the phenotypic expression of a gene at one locus alters that of a gene at a second locus