A transcription factor can have multiple domains
a. true
b. false
Ans: a. true
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What is the name of the figure shown below that depicts the staining and photographing of an entire set of duplicated, condensed chromosomes from a single cell?
A) Cytosmear B) Cell smear C) Pap smear D) Karyotype E) Karyogram
Polymerase Chain Reaction is a technique to produce multiple copies of a sequence of DNA
Indicate whether the statement is true or false.
What type of pollinator would an unscented, red flower attract?
a. honeybees b. butterflies c. beetles d. bats e. birds
In the early twentieth century, evolutionary biologists argued whether there was enough genetic variation in populations to explain the diversity of life by natural selection
With the advent of protein electrophoresis and DNA-level analysis, the problem turned on its head: the neutralist school arose from the idea that there was too much genetic variation to be maintained by natural selection. What are some of the arguments and observations neutralists cited to support the idea that much variation is neither favored nor disfavored by natural selection?