Unit 5 Lesson 29 DNA—The Story of You课件＋音频(共12张PPT)冀教版九年级英语全册.pptx
(共12张PPT)
Lesson 29
DNA--The Story of You
Oliva
Do they look the same
twins
They have the identical DNA.
identical（adj) 相似的---identify (v.)确认；鉴别
脱氧核糖核酸
This is the shape of DNA.
“DNA” is short for deoxyribonucleic acid.
“DNA” is the blueprint of life.
a blueprint is a drawing that shows how to put...