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Tennessee Biology I EOC LS3 (Genetics and Heredity) overview quiz quiz

14questions. Pick an answer and you'll see why right away.

  1. In a DNA molecule, adenine (A) always pairs with:

  2. The two strands of a DNA molecule are best described as:

  3. During transcription, a gene's DNA is copied into:

  4. On an mRNA molecule, how many bases make up one codon, which codes for one amino acid?

  5. Where does translation (protein building) occur, and what reads the codons?

  6. In pea plants, tall (T) is dominant to short (t). Two heterozygous plants (Tt) are crossed. The expected phenotype ratio is:

  7. An organism shows a recessive trait. Its genotype must be:

  8. Crossing red (RR) and white (rr) snapdragons gives all pink (Rr) offspring. This is:

  9. A person with blood type AB shows both A and B markers at the same time. This is an example of:

  10. X-linked recessive conditions such as red-green color blindness appear more often in males because:

  11. Which type of mutation shifts the reading frame and can change every codon after it?

  12. Which statement about mutations is correct?

  13. A bacterium is given the human insulin gene so it produces human insulin. This is an example of:

  14. Gel electrophoresis separates fragments of DNA by: