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Author Question: Which pair of sex chromosomes is found in a normal male mammal? a. XX b. XY c. YY d. ... (Read 90 times)

theo

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on: Jun 22, 2018
Which pair of sex chromosomes is found in a normal male mammal?
 
  a. XX
  b. XY
  c. YY
  d. YZ

Question 2

Which action is most difficult to classify as classical or operant conditioning?
 
  a. pressing a lever to get food
 b. pressing a lever to escape shock
 c. salivating after a sound previously paired with food
 d. song learning by male birds


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kiamars2010

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Reply #1 on: Jun 22, 2018
Answer to Question 1

a

Answer to Question 2

d


theo

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Reply 2 on: Jun 22, 2018
:D TYSM

isabelt_18

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Reply 3 on: Yesterday
Gracias!

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