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Science Clinic => Environmental Studies => Topic started by: Jkov05 on Aug 11, 2018

Title: Chance fluctuations of allele frequencies in the gene pool of a population are evidences of: a. ...
Post by: Jkov05 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
Title: Chance fluctuations of allele frequencies in the gene pool of a population are evidences of: a. ...
Post by: tuwy on Aug 11, 2018
Answer to Question 1

a

Answer to Question 2

d
Title: Chance fluctuations of allele frequencies in the gene pool of a population are evidences of: a. ...
Post by: Jkov05 on Aug 11, 2018
Both answers were spot on, thank you once again
Title: Chance fluctuations of allele frequencies in the gene pool of a population are evidences of: a. ...
Post by: tuwy on Aug 11, 2018
Great! Please up vote :D