Biology  by Bradford
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Non-Mendelian genetics and environment: grass skirts

19 quick questions on AP Biology topics 5.4 Non-Mendelian Genetics and 5.5 Environmental Effects on Phenotype, each answered in a word or two. Print a sheet for each team, a key for the checker and a tick sheet, then tape the sheets to the board and race.

How it runs

  1. SnipA runner cuts one strip off the bottom of their team’s sheet.
  2. Answer as a pairBack at the table, they write the answer on the strip. No books.
  3. Get it checkedThe checker reads it against the key: you, or a student holding it.
  4. Back for the nextA tick earns the next strip. Wrong? Back to the table to try again.

The questions on this sheet

The checker’s key, with every answer, prints with the sheets.
  1. Condition caused by an extra chromosome 21
  2. Gene carried on the X chromosome
  3. Healthy person with one recessive allele
  4. Heterozygote looks in between, e.g. pink
  5. Both alleles shown, e.g. roan coat
  6. Common X-linked vision disorder
  7. Failure of chromosomes to separate
  8. Picture of a cell's chromosomes in pairs
  9. Loci close together on one chromosome
  10. More than two versions of one gene, as ABO
  11. Height or skin color, set by several loci
  12. Trait passed only from mother to offspring
  13. Late-onset dominant brain disorder
  14. Sets the sex of many turtle hatchlings
  15. Turns hydrangea flowers blue or pink
  16. Pigment made more under UV light
  17. One gene affecting several traits
  18. Gene at one locus masking another locus
  19. Same genes, form changes with conditions

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