What term is used to express the idea that several genes exert influence over the same characteristic?
A) terminal interaction
B) gene interaction
C) transformation
D) co-adhesion
E) coextension
Answer: B
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Egg cells were combined with this cell type to form the cloned sheep named Dolly.
A. skin cells B. sperm cells C. mucous membrane cells D. mammary cells E. ovarian cells
What is bioprospecting?
A. An exploration of nature in the search for potentially useful organisms or their products. B. A search for unknown organisms that may become serious pathogens to humans. C. A search for unknown organisms that may become serious pathogens to farm animals. D. Use of microorganisms to locate and extract valuable minerals from deep underground.
DNA fingerprinting is now widely used to tie a particular suspect to the DNA samples found at a crime scene. What benefits can be derived from this technology in fighting crime?
A) A jailed convict can be proven to have no connection to evidence found at a crime scene. B) Solid matches can aid a district attorney's case in proving guilt to a jury. C) "Persons of interest" can be excluded more rapidly as suspects, so police can focus on other leads. D) All of the above are true.
The use of a zoo blot to help identify a specific protein-coding gene relies on the fact that
a. DNA fragments shared by many related species are likely to lie in functional exons. b. functional genes are likely to be found in many copies in a single genome. c. functional genes shared by many related species are likely to have the same number of exons. d. functional genes shared by many related species are likely to have introns of similar size. e. DNA fragments shared by many related species are likely to lie in introns of functional genes.