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Author Question: A balanced polymorphism that is maintained because the advantageous phenotypes only retain their ... (Read 56 times)

mia

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on: Jul 10, 2018
A balanced polymorphism that is maintained because the advantageous phenotypes only retain their advantage when they are present below a certain frequency is called __________.
 
  a. heterosis
  b. hybrid vigor
  c. a frequency-dependent balanced polymorphism
  d. heterozygous advantage

Question 2

Cavalli-Sforza's phylogenetic tree of the world's populations indicates that __________ was the earliest significant genetic event in human prehistory.
 
  a. the arrival of humans in Australia
  b. the peopling of the Americas
  c. the separation of African populations from all others
  d. the evolution of Homo sapiens from Homo erectus groups across Europe and Asia


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ciecieme

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Reply #1 on: Jul 10, 2018
Answer to Question 1

Correct Answer: c

Answer to Question 2

Correct Answer: c


mia

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Reply 2 on: Jul 10, 2018
Thanks for the timely response, appreciate it

jackie

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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