The Hardy-Weinberg law is used to calculate allele and genotype frequencies ____
a. in small populations
b. when mating is random
c. in migrating populations
d. when some alleles confer an evolutionary advantage over other alleles
e. the population descends from a single ancestor
b
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When performing antiviral susceptibility testing, a standard inoculum must be used. If the inoculum quantity is too large, then the isolate will appear:
a. susceptible. b. intermediate. c. resistant. d. indeterminate.
Frameshift mutations result from:a
the substitution of one base pair for another. b. the substitution of more than one base pair. c. the insertion or deletion of one or two base pairs. d. the substitution of a stop codon for an amino acid-specifying codon. e. the substitution of a start codon for an amino acid codon.
Nonrandom associations between alleles at different loci are referred to by which term?
A. heterozygosity B. inbreeding depression C. panmictic D. Linkage disequilibrium E. linkage equilibrium
Microorganisms that live in severe habitats, such as very hot, acidic or salty environments, are called
A. thermophiles. B. barophiles. C. extremophiles. D. halophiles. E. psychrophiles.