Usually, the first procedure a genetic counselor performs for a client is _____
a. amniocentesis
b. construction of a karyotype
c. biochemical testing
d. construction of a pedigree based on family and medical histories
e. ultrasonic imaging
d
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You have taken E. coli strain A which has its own plasmids, and mixed it with E. coli B strain without plasmids. E. coli B cells now have plasmids but, in addition, they also carry some genes from E. coli A strain. What has happened is
A. the cells of E. coli A were Hfr cells. B. vertical transmission of DNA has occurred. C. the E. coli B cells have become mutants of the original culture. D. an example of transformation.
Small groups of individuals leave their home population and establish new settlements, mating only among themselves, are referred to as the
A. founder effect. B. bottleneck effect. C. artificial effect. D. natural effect. E. migration effect.
From what part of aerobic respiration do most
of the carbon dioxide molecules we exhale come?
a. glycolysis b. Krebs Cycle c. electron transfer d. phosphorylation e. more than one of these
At zero population growth:a
b = d. b. b > d. c. b < d. d. r > 0. e. r > K.