CREATE TABLE table_20073 ("Genus/Species" TEXT, "Common Name" TEXT, "Accession Number" TEXT, "Length" TEXT, "Similarity" TEXT, "Identity" TEXT)

What identities do the genus/species arabidopsis thaliana have?
SELECT "Identity" FROM table_20073 WHERE "Genus/Species" = 'Arabidopsis thaliana'
SELECT "Identity" FROM "table_20073" WHERE "Genus/Species" = 'Arabidopsis thaliana'