Question 7

(Multiple Choice)

A new gene is discovered during the sequencing of a bacterial genome.After a BLAST analysis,the new gene aligns with a known sequence from the same bacterium.The sequence identity is 95%.Which of the following statements best describes the relationship of the newly discovered gene and the known gene?


A)It is a paralog to the known gene and is a result of a recent gene duplication.
B)It is an ortholog to the known gene and is a result of a recent gene duplication.
C)It is an ortholog to the known gene and is a result of an older gene duplication.
D)It is a paralog to the known gene and is a result of an older gene duplication.

Answer