Lab 12 Web Exercise -- Fritillaria Life Cycle Diagrams and Pictures

Follow the instructions for Lab 12 to review the pictures and associated diagrams below.
 

Slide No.
Diagram No.
Picture No.
0 Cross section of an ovary
 
0
1 (1') Megasporocyte
1
1
2 (1' - 2') Meiosis I
2
2
3 (2') 2 nuclei
3
3
4 (2' - 3') Meiosis II
4
4
5 (3') 1st 4-nucleate stage
5
5
6 (4') Nuclear migration
6
6
7a (5') 1st mitosis
7b (5' - 6') after 1st mitosis
7a,b
7a
7b
8 (6') 2nd 4-nucleate stage
8
8
9 (6' - 7') 2nd mitosis
9
9
10 (7') Megagametophyte (embry sac)
10
10
11 (8') Double fertilization
11
11