Question

Which of the statements about the relationship between DNA technology and genetic diversity is accurate?

Answer 1

It can help detect if a person is prone to certain diseases.
It can manipulate genes to express desirable traits.
It can treat diseases with the help of genetically modified food.
It can increase the genetic diversity of a species.

When a biological vector is used, which process must take place before recombinant DNA can be placed in the host cell?
cloning
electrophoresis
genetic engineering
gene isolation

Which is the term for replicating circular pieces of DNA that often carry antibiotic-resistant genes?
vectors
viruses
bacteriophages
plasmids

While genetic modification of food has numerous advantages, some people are concerned about the potential of genetically modified crops to
add vitamin and mineral supplements to food.
target harmless insects unintentionally.
help clean up pollution in contaminated soil.
resist extreme temperature changes.

Which of the statements about the relationship between DNA technology and genetic diversity is accurate?
DNA technology can reduce genetic diversity by eliminating existing clones.
DNA technology can reduce genetic diversity by eliminating variant alleles.
DNA technology can increase genetic diversity by producing more clones.
DNA technology can increase genetic diversity by producing more variant alleles.