In _____________ speciation, a new species emerges from within the geographic range of its common ancestor.
A. Sympatric
B. Parapatric
C. Allopatric
Ans: A. Sympatric
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You are the scientific consultant for a television show about forensic analysis. In an upcoming episode, investigators will compare the DNA of a suspect and a DNA sample collected from the victim’s fingernails. You are to write up a brief explanation of the technique required for comparing the DNA. Which technique should you explain?
A. DNA fingerprinting B. Fluorescent in situ hybridization C. RNAi D. RT-PCR Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you already know about molecular techniques? Consider Possibilities · Consider the different answer options. Which can you rule out? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Which of the following can impact methylation
patterns? a. drugs. b. exercise. c. stress. d. diet. e. all of these
Most fossils form most often in sedimentary rock
1.True 2.False
©McGraw-Hill EducationConsider the cladogram shown. Based on this cladogram, which species has the greatest number of ancestral character states?
A. 1 B. 2 C. 3 D. 4 E. 5