A population in which the allele and genotype frequencies do not change over time is said to be in:
a. genetic stasis.
b. genetic equilibrium.
c. population stability.
d. allelic disequilibrium
e. allelic balance
B
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The expression of a single allele is associated with which of the following?
A. X-inactivation B. Genomic imprinting C. Maternal inheritance D. Extra nuclear inheritance
What is the defining characteristic of the hornworts?
a. large and flat gametophyte b. large and cone-shaped spores c. narrow pipe-like sporophyte d. thin tubular rhizoids
The survival of most organisms is immediately threatened if they live at the site of a catastrophic forest fire, volcanic eruption, or dust storm. These events, however, can launch soot, ash, or dust into different levels of the atmosphere, measurably lowering available sunlight at locations thousands of miles from the site. The are most quickly and strongly impacted at these distances, with lack of growth and reproduction.
A. autotrophs, such as crops and woodlands B. heterotrophs, such as humans and livestock C. deep-sea thermal vent communities D. All of the answer choices are correct. E. All of the organisms in domain Bacteria.