The overuse of antibiotics has led to a form of antibiotic resistant tuberculosis. This has occurred as a result of:
a. directional selection within the bacterial population.
b. stabilizing selection within the bacterial population.
c. disruptive selection within the bacterial population.
d. balanced polymorphism within the bacterial population.
e. a heterozygote advantage within the bacterial population.
a
You might also like to view...
Along with the egg, in the part of an embryo sac next to the micropyle you should find ____
a. the central cell b. a seed c. the pollen tube d. synergids e. antipodal cells
Deforestation decreases the levels of greenhouse gases in the atmosphere
Indicate whether the statement is true or false
In the process of crossing over:
A) sister chromatids separate. B) homologous chromosomes separate. C) sister chromatids exchange genetic material. D) maternal chromosomes assort independently of paternal chromosomes. E) non-sister chromatids of homologous chromosomes exchange genetic material.
Blue flower color (B allele) is dominant to white (b allele). If a population of plants in Hardy-Weinberg equilibrium contains white flowers (bb) at a frequency of 0.04, what is the frequency of the blue flower allele (B)?
A. 0.64 or 64% B. 0.2 or 20% C. 0.8 or 80% D. 0.96 or 96% E. 0.32 or 32%