The process of crossover is best defined as genetic recombination that occurs between ________.
a. non-sister homologous chromatids in meiotic prophase I
b. sister chromatids in meiotic prophase II
c. non-sister chromatids in meiotic prophase II
d. sister chromatids in meiotic prophase I
a. non-sister homologous chromatids in meiotic prophase I
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The percentage of African Americans, Hispanics, Caucasians, and Asians in a neighborhood is an emergent property
of a(n)____.
a. organism b. community c. population d. ecosystem
e. biosphereWhich of the following statements about the F2
generation produced in the dihybrid cross is NOT true? a. All offspring with the same phenotype have the same genotype. b. All offspring with the same genotype possess the same phenotype. c. It is not possible to determine the genotype of some individuals by their phenotype. d. It is possible to tell the genotype of some offspring by looking at their phenotypes. e. Nine genotypes and four phenotypes are produced.
In a reaction in which the rate of the reverse reaction is equal to the rate of the forward reaction, a state of ____ is
attained. a. total entropy b. enthalpy c. thermodynamics d. dynamic equilibrium e. product reversibility
Which of the following statements about the lac operon is not true?
a. When the inducer binds to the repressor, the repressor can no longer bind to the operator. b. When the inducer binds to the operator, transcription is stimulated. c. When the repressor binds to the operator, transcription is inhibited. d. When the inducer binds to the repressor, the shape of the repressor is changed. e. The repressor has binding sites for both DNA and the inducer.