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Author Question: Chance fluctuations of allele frequencies in the gene pool of a population are evidences of: a. ... (Read 482 times)

Jkov05

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on: Aug 11, 2018
Chance fluctuations of allele frequencies in the gene pool of a population are evidences of:
 
  a. genetic drift
 b. gene flow
 c. mutation
 d. directional selection

Question 2

You are a paleoanthropologist uncovering fossils in East Africa. Using a certain technique, you discover that a humanlike fossil is in a stratum between a volcanic eruption dated at 2.9 million years and another volcanic eruption whose rocks give a date of 3.6 million years. The fossil is about midway between these layers so you assign a tentative date of 3.2 to 3.3 million years to your fossil. What technique are you using?
 
  a. Radiocarbon analysis
  b. Stratigraphy
  c. Dendrochronology
  d. Potassium argon analysis
  e. Grid system


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tuwy

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Reply #1 on: Aug 11, 2018
Answer to Question 1

a

Answer to Question 2

d


Jkov05

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Reply #2 on: Aug 11, 2018
Both answers were spot on, thank you once again


tuwy

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Reply #3 on: Aug 11, 2018
Great! Please up vote :D


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