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 theseTrampoline, Puppeteer, Barometer, Messenger Bag, Drums, Pinchers, Fingers, Flower bulb, Xylophone, Skeleton, 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?

anonymous
anonymous
sketch #3558 Eye Rubel Parvez


Na Ruro
sketch #2715 Angelina


anonymous
anonymous
sketch #3280 Adventure Time by Alina Danielle


anonymous
anonymous
sketch #4522 Adventure Time by KiNg Buamir


anonymous
anonymous
sketch #1082 Seher 6 years


BaGaz Anggara
sketch #2836 Angry smurf maradona by BaGaz Anggara


Benjo Arellano
sketch #779 Gol D Roger


anonymous
anonymous
sketch #2023 For variety our own good friends fully understand states; through hard knocks we all our own good friends. priceminister


anonymous
anonymous
sketch #3499 Alien Laura Gutierrez Hinojosa


anonymous
anonymous
sketch #3662 Angel by Alexander Volodimirovich Danilchenko


Jay Lantz
sketch #3743 Just for fun


anonymous
anonymous
sketch #3145 Madoka by Николай Герасимов


anonymous
anonymous
sketch #5174


anonymous
anonymous
sketch #5316


anonymous
anonymous
sketch #3259


anonymous
anonymous
sketch #286 sun


anonymous
anonymous
sketch #5127 Captain America by Mark Phillips


anonymous
anonymous
sketch #3321 Baby Mirella Flowers


anonymous
anonymous
sketch #3448 Treba mi bolji "mish " ;)


anonymous
anonymous
sketch #1711


anonymous
anonymous
sketch #1899 blue


anonymous
anonymous
sketch #5213


anonymous
anonymous
sketch #5186


Gaurav Patel
sketch #2691


anonymous
anonymous
sketch #4298


sketchmaster
sketch #2464 Spongebob by sketchmaster


anonymous
anonymous
sketch #2318

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