Research by Malte Andersson suggests the long tail feathers of male African widowbirds are a product of ____
selection because females are more strongly attracted to males with long tails than to males with short tails.
a. disruptive
b. intersexual
c. intrasexual
d. artificial
e. stabilizing
ANSWER: b
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DNA probes
A. may be obtained from denatured tagged dsDNA. B. may be obtained from similar genes from another organism. C. may be synthesized usually using information based on the protein sequence. D. are usually tagged dsRNA. E. may be obtained from denatured tagged dsDNA, may be obtained from similar genes from another organism, AND may be synthesized usually using information based on the protein sequence.
Automated external defibrillators (AEDs)
a. check for a heartbeat. b. shock the heart if required. c. use electronic voice commands to guide bystanders in taking appropriate actions. d. are now available at many senior centers, malls, schools, and other public places. e. include all of these.
What is the human cancer syndrome associated with inherited p53 mutations?
What will be an ideal response?
Transgenic mice carrying a mutant human SOD1 gene are used as models to study _____________________. Fill in the blank(s) with the appropriate word(s)