In a population of 100 individuals, 49 percent are of the NN blood type. What percentage is expected to be MN assuming Hardy-Weinberg equilibrium conditions?
A) 42 percent
B) 51 percent
C) 9 percent
D) 21 percent
E) There is insufficient information to answer this question.
A
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The genome sequence of Treponema pallidum
A. has led us to be able to completely eradicate this organism. B. should ultimately help us understand the mechanism by which this organism causes syphilis. C. almost immediately provided explanations for how this organism causes syphilis. D. identified proteins that have already been used to produce the first successful vaccine for syphilis.
The bacterium Alcaligenes eutrophus naturally produces polyhydroxybutyrate (PHB), a biodegradable thermoplastic. In 1992, Poirier, et al., reported in the journal Science that the two genes responsible for the production of PHB in bacteria had been introduced into the plant Arabidopsis thaliana, and it was demonstrated that the plants produced PHB. What type of vector was likely used to introduce the bacterial genes into the A. thaliana?
A. BAC. B. YAC. C. Ti plasmid. D. viral vector. E. BAC or YAC.
List the steps of the citric acid cycle in order
What will be an ideal response?
Differences in domesticated animals over relatively short periods of time most likely occur through:
A. natural selection B. adaptation C. artificial selection D. experimental selection E. evolution