Study Questions - Genetics Review
1) How does base-pair complementary contribute to the constant width of the double-helix?
2) Describe transcription, transcript processing, and translation.
3) How can each of the processes above be regulated?
4) How do gene duplications occur and how can they be beneficial?
5) How can inversions occur and how can they be beneficial?
6) Provide a plausible explanation, and evidence, that humans lost a chromosomal pair by fusion.
7) Why is polyploidy rarer in vertebrates than plants? Give two reasons.
8) Why are triploids typically sterile? How is this barrier overcome in triploid animal species?
9) Describe how polyploidy can occur in a hermaphroditic species as a consequence of an error in mitosis.
10) How does allopolyploidy typically occur? Describe one real example.
11) How is it that you are 1 of the 70 trillion genotypes your parents could produce? Explain.
12) Provide an example where the environment influences phenotypic expression.