1.

Question : [A]: lnterspecific mating often produces a more vigorous but sterile F_1 hybrids.[R]: Reproductive isolation does not let evolu- tion to occur.

Answer»

If both A and R are true and R is the CORRECT explanation of A
If both A and R are true but R is not the correct explanation of A
If A is true and R is false
If both A and R are false

ANSWER :C


Discussion

No Comment Found