SCA Green Coffee Practice Questions - SCA Green Coffee Foundation Intermediate Professional Exam

Which of the following is a defining botanical characteristic of Coffea arabica compared to Coffea canephora?

Arabica is tetraploid (4n = 44 chromosomes) while robusta is diploid (2n = 22) Arabica is diploid (2n = 22) while robusta is tetraploid (4n = 44) Both species share identical chromosome counts of 2n = 22 Arabica is hexaploid and robusta is tetraploid

Correct Answer:

Arabica is tetraploid (4n = 44 chromosomes) while robusta is diploid (2n = 22)

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