A student is explaining to her colleague the different methods that are available for genetic mapping. Which one of the colleague's following statements indicates a need for further teaching?
A)
"I know that linkage studies are rooted in the exchange of genes that occurs during meiosis."
B)
"Gene dosage studies involve the measurement of enzyme activity as a reflection of genetic activity."
C)
"If hybrid cells were stable, somatic cell hybridization would not be viable."
D)
"In situ hybridization focuses on genes that can express themselves in cell culture."
Ans:
D
Feedback:
In situ hybridization examines genes that do not express themselves in cell culture. The rationale for linkage studies exists in the genetic exchange of genes that occurs during meiosis, and gene dosage is a reflection of gene activity. Somatic cell hybridization necessitates the fact that hybrid cells degrade during division.
You might also like to view...
If a nurse suspects a coworker is taking clients' narcotics and using them on the job, which of these actions should the nurse take FIRST?
a. Ask other staff if they have also noticed suspicious behavior related to this coworker. b. Bring these concerns to the supervisor. c. Post drug-abuse awareness materials where the coworker will see them. d. Privately discuss these suspicions with the coworker.
The nurse is caring for a client who is having a sickle cell crisis. Which order for analgesia should the nurse consult with the physician?
A) Meperedine (Demerol) B) Morphine sulfate C) Sublimaze (Fentanyl) D) Buprenorphine (Buprenex)
To measure head circumference, the tape is wrapped snugly around the child's head at the occipital protuberance and the:
a. supraorbital prominence. b. brow line. c. nasal bridge. d. chin.
Which statements accurately portray differences in the effects of alcohol between men and women? Select all that apply
a. Women's gastrointestinal systems have less alcohol dehydrogenase, so less ethanol is oxidized on first pass before it enters the bloodstream. b. Hot coffee increases the metabolic rate and speeds oxidation of ethanol more in men than in women. c. Women have higher proportions of body fat, which absorbs alcohol and releases it slowly. d. The microsomal ethanol-oxidizing system in women is less efficient than in men. e. Women become intoxicated more easily than men.