In 2 n =12, all the red forms of the aphids have translocations of autosomal 1 and 3, but the yellowish-green forms contain autosomal 1 and 3 translocated individuals as well as normal karyotype ones.
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美
- 3n =18；A1與A3 易位 .；同時(shí)；在核型為 2n =12的煙蚜中；體色為紅色的個(gè)體全為A1與A3 易位個(gè)體；體色為綠色的個(gè)體中既有A1與A3 易位個(gè)體；又有正常個(gè)體
