BIOL 133 EXAM 4 (FINAL) | QUESTIONS AND ANSWERS | VERIFIED SOLUTIONS |
2026 EDITION
According to epigenetic researchers, do young twins or older twins show greater epigenetic similarities?
- correct answer ✔✔younger twins
According to epigenetic researchers, do young twins or older twins show greater epigenetic differences?
- correct answer ✔✔older twins
Germline therapy differs from somatic gene therapy in that - correct answer ✔✔with germline therapy
the DNA of a gamete or fertilized ovum is altered and is passed to future generations.
According to the work done on famines in Sweden, what is the sensitive period for transgenerational
epigenetic changes in human females? - correct answer ✔✔During fetal development when she is
starting to produce eggs.
What is bio mediation? - correct answer ✔✔the use of an organism's engineered abilities to remove
toxins from environment.
The first commercial product produced using recombinant DNA technology was - correct answer
✔✔human insulin.
Mutations that enable cancer cells to grow and divide faster than other normal cells are known as
_______________ mutations. - correct answer ✔✔driver
What are characteristics of cancer cells? - correct answer ✔✔They lack contact inhibition, they divide
faster and are dedifferentiated
Transgenic organisms are - correct answer ✔✔organisms with a genetic change in each cell (usually a
gene from a different species).
Most of the soybeans produced in the US are GMO. True or false? - correct answer ✔✔true
What are legitimate criticisms of gene therapy? - correct answer ✔✔Some gene therapies are an
attempt to "improve" people and this was the goal of the eugenics movement and gene therapy trials
have had limited success and have sometimes resulted in making people sicker or resulting in their
death.
___________________ recognize specific nucleotide sequences and cut DNA at those sequences -
correct answer ✔✔Restriction enzymes
Angelman's Syndrome and Prader-Willi Syndrome both result from a deletion in chromosome #15.
Angelman's Syndrome results when the deletion is inherited _____________________ while Prader-Willi
Syndrome results when the mutation is inherited _____________________. - correct answer
✔✔maternally ; paternally
2026 EDITION
According to epigenetic researchers, do young twins or older twins show greater epigenetic similarities?
- correct answer ✔✔younger twins
According to epigenetic researchers, do young twins or older twins show greater epigenetic differences?
- correct answer ✔✔older twins
Germline therapy differs from somatic gene therapy in that - correct answer ✔✔with germline therapy
the DNA of a gamete or fertilized ovum is altered and is passed to future generations.
According to the work done on famines in Sweden, what is the sensitive period for transgenerational
epigenetic changes in human females? - correct answer ✔✔During fetal development when she is
starting to produce eggs.
What is bio mediation? - correct answer ✔✔the use of an organism's engineered abilities to remove
toxins from environment.
The first commercial product produced using recombinant DNA technology was - correct answer
✔✔human insulin.
Mutations that enable cancer cells to grow and divide faster than other normal cells are known as
_______________ mutations. - correct answer ✔✔driver
What are characteristics of cancer cells? - correct answer ✔✔They lack contact inhibition, they divide
faster and are dedifferentiated
Transgenic organisms are - correct answer ✔✔organisms with a genetic change in each cell (usually a
gene from a different species).
Most of the soybeans produced in the US are GMO. True or false? - correct answer ✔✔true
What are legitimate criticisms of gene therapy? - correct answer ✔✔Some gene therapies are an
attempt to "improve" people and this was the goal of the eugenics movement and gene therapy trials
have had limited success and have sometimes resulted in making people sicker or resulting in their
death.
___________________ recognize specific nucleotide sequences and cut DNA at those sequences -
correct answer ✔✔Restriction enzymes
Angelman's Syndrome and Prader-Willi Syndrome both result from a deletion in chromosome #15.
Angelman's Syndrome results when the deletion is inherited _____________________ while Prader-Willi
Syndrome results when the mutation is inherited _____________________. - correct answer
✔✔maternally ; paternally
