Multiple Choice
Certain populations of a copepod (a planktonic crustacean) may be reproductively isolated, even though females will mate with any male.Here, three females from one of the populations are placed with three males from another population.The diagonals represent crosses made between males and females of the same population.The numbers of offspring produced are listed in the table. 
Which cross shows reproductive isolation?
A) Population 1 males and population 2 females
B) Population 1 males and population 3 females
C) Population 2 males and population 1 females
D) Population 2 males and population 3 females
E) Population 2 males and population 4 females
Correct Answer:
Verified
Correct Answer:
Verified
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