如下图在三倍体无子西瓜的培育过程中需要两次传粉接受花粉的植株是 A.品种甲 b.四倍体 C.四倍体和三倍体 D.品种甲和三倍体——青夏教育 Template




You need a modern browser try chrome, to view this.

Background image: Hide Show

View Larger Image Image Credit: 1010jiajiao.com






Try and sketch some of theseDaredevil, Outhouse, Snowmobile, Food cart, Corn, Swimming pool, Pineapple, Pregnant woman, Acrobat, Muffin, view more ideas


please wait, the page is loading...

More Sketches

Take a peek at some of the sketches created by our users, are you a sketchite?

Na Ruro
sketch #2797 Homer by Na Ruro


sketchmaster
sketch #2486 Face by sketchmaster


anonymous
anonymous
sketch #5207 Gorilla by Jean-Benoit Renaud


anonymous
anonymous
sketch #5086 Lion by Z Ionut Ady


Sarah Nila
sketch #3483 Ginger


anonymous
anonymous
sketch #3693 Lucy from Elfen Lied by Simona Honigmelone


anonymous
anonymous
sketch #2477 hhhh


anonymous
anonymous
sketch #5127 Captain America by Mark Phillips


anonymous
anonymous
sketch #4895 Cat by Gaurav Patel


anonymous
anonymous
sketch #5316


anonymous
anonymous
sketch #3296


anonymous
anonymous
sketch #4310 robot


anonymous
anonymous
sketch #3505 Django


anonymous
anonymous
sketch #1260


anonymous
anonymous
sketch #5228 Rin & Len by Mark Phillips


Rachel Roe
sketch #113


anonymous
anonymous
sketch #2969


anonymous
anonymous
sketch #5189


anonymous
anonymous
sketch #4933 Tobi by Abdelwahab Haik


anonymous
anonymous
sketch #3716


anonymous
anonymous
sketch #4900 Moonlight by Abdelwahab Haik


anonymous
anonymous
sketch #5230


anonymous
anonymous
sketch #5370 Requiem for the Phantom by Marita Amaya


anonymous
anonymous
sketch #20344


anonymous
anonymous
sketch #3604 Falling Manipati Surya


anonymous
anonymous
sketch #5435


anonymous
anonymous
sketch #1459 khvjkhu


anonymous
anonymous
sketch #20840 Dog by Laur Ūūtiis

tomski如下图在三倍体无子西瓜的培育过程中需要两次传粉接受花粉的植株是 a.品种甲 b.四倍体 coloring