What are the two components of a stamen?
a. filament and anther
b. carpel and anther
c. filament and ovary
d. style and stigma
a. filament and anther
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Dispersal agents, such as pollen-carrying wind or seed-carrying animals, are responsible for ____ in most plant
populations because they often introduce novel alleles into a population.
a. gene flow b. genetic drift c. mutations d. nonrandom mating e. natural selection
A package of histones with DNA wrapped around them forms spherical structures called
a. nucleoli. b. chromatin. c. nucleosomes. d. ribosomes. e. lysosomes.
The analysis of genetic relatedness by observing the DNA fragmentation patterns resulting from restriction endonuclease cleavage is referred to as ________.
A. genetic patterning B. genetic restriction C. genetic fingerprinting D. genetic chunking
Homeostasis is maintained using negative feedback loops. Which part of a negative feedback loop detects conditions?
A. Effector B. Stimulus C. Integrating center D. Sensor E. Response