Probes can come from a variety of sources, such as ____________________
a. single-stranded RNA templates
b. histones from other species
c. artificially engineered gene sequences
d. related genes from other species
e. unrelated genes from other species
d
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The results of the butterfly experiment
a. supported the hypothesis. b. provided valuable quantitative data. c. confirmed the prediction. d. provided evidence of natural selection in action. e. are consistent with all of these
In snapdragons, there is an allele for flower color, CW, that produces no pigment. A plant with the genotype CWCW will produce _____________ flowers.
a) no b) red c) white d) black e) pink
The field of study involved in sequencing the genomes of organisms is ________.
Fill in the blank(s) with the appropriate word(s).
Which of the following evolutionary did not occur during the Mesozoic era?
A. Widespread dinosaurs extinction B. Giant reptiles were on land an in water C. First primates were abundant D. Cycads and ferns were abundant E. First dinosaurs roamed the earth