Chapter 7 Flashcards
A vineyard of seedless grapes would be what type of clone?
an artificial clone
A differentiated cell
a. cannot be cloned
b. is found only in plants
c. has become specialized to perform a particular function
d. cannot live outside the uterus
has become specialized to perform a particular function
Human brother-and-sister twins are an example of
a. natural clones
b. artificial clones
c. human clones
d. none of the above
None of the above
A restriction enzyme is an enzyme that
a. snips DNA at particular nucleotide sequences
b. stops DNA from forming proteins
c. joins together the sticky ends of DNA
d. forms insulin in bacteria
snips DNA at particular nucleotide sequences
Recombinant DNA is DNA that
a. has been formed in laboratory
b. has been formed by placing two pieces of DNA from different sources together
c. is made just prior to gamete formation in multicellular organisms
d. is made by both gene and chromosome mutations
has been formed by placing two pieces of DNA from different sources together
A plasmid is important because of its role as _____ in genetic engineering.
a vector
Which of these important body chemicals has been mass-produced with the help of genetic engineering?
a. adrenaline
b. insulin
c. myosin
d. glucose
insulin
It would be impossible to clone a dinosaur from any DNA found in fossils because
a. the epigenetic controls are missing
b. the cells would be totipotent
c. there is no vector large enough
d. we do no have the right restriction enzymes
the epigenetic controls are missing
Which Old Testament figure is portrayed in Scripture as using selective breeding methods to improve his livestock?
Jacob
Which of these is NOT a potential problem with current gene therapy?
a. it is of short duration
b. viral vectors may lead to infection
c. human embryos must be destroyed for gene therapy
d. some diseases are caused by multiple gene interaticonl
Human embryos must be destroyed for gene therapy
Just after fertilization, a single-celled zygote would be described as
a. pluripotent
b. multipotent
c. somatic
d. totipotent
totipotent
A field of artificially cloned sweet potatoes would a. be asexually reproduced b contain plasmids c. be sexually reproduced d. be genetically engineered
be asexually reproduced
In which set are the terms in the order of decreasing ability to specialize?
a. pluripotent, multipotent, totipotent
b. totipotent, pluripotent, multipotent
c. multipotent, pluripotent, totipotent
d. totipotent, multipotent, pluripotent
B
Which of these crops is often a genetically modified form?
a. strawberries
b. corn
c. both a & b
d. neither a or b
corn
Which of these crops is often propagated by artifiical cloning?
a. bananas
b. Irish potatoes
c. both a & b
d. neither a or b
Both bananas and Irish potatoes
DNA fingerprinting has been used to
a. diagnose human genetic disorders
b. treat human genetic disorders
c. clone valuable livestock
d. all of these
diagnose human genetic disorders