Inheritance Quiz
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5 questions, one answer each
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1. What holds the DNA double helix strands together?
- A. Strong covalent bonds
- B. Weak hydrogen bonds between base pairs
- C. Phosphate bonds between bases
- D. Ionic bonds between phosphates
2. Which process makes mRNA from a gene's coding DNA?
- A. Translation
- B. Replication
- C. Transcription
- D. Mutation
3. A woman with genotype I^A I^B has blood group AB. What does this show?
- A. Recessive inheritance
- B. Sex linkage
- C. Codominance
- D. Environmental variation
4. A variant in non-coding DNA affects RNA polymerase binding. Most likely effect?
- A. Amino acid sequence changes
- B. Protein quantity changes
- C. Gene converts to a different gene
- D. No protein ever produced
5. Two unaffected parents have an affected child (non-sex-linked disorder). What can be concluded?
- A. Dominant allele, both parents homozygous recessive
- B. Recessive allele, both parents heterozygous carriers
- C. Codominant with normal allele
- D. Located on the Y chromosome