130603 (1-3)
C 1) 2) 3) 4) 5) 6) 7) 8) 9)
C 1) 2) 3) DNA 4) DNA RNA 5) 6) PCR 7) DNA
C
Cyclops Odlilon Redon, The Cyclops, 1914
WAGR www.wagr.org
WAGR www.wagr.org
Cell 126, 663-676, 2006
Wikipedia
Wilmus tumor:
10 Principles of Development (by Lewis Wolpert) Developmental Biology (by Scott Gilbert)
vs! 2n!!! 1n!!
IB
46 =2n
46, XX 46, XY 22 x 2 XX or XY
2n 4n 2n + 2n! 2n 4n 2n + 2n n x 4!
DNA
=1n 2 3 8 #1 #2 2n! #3 23 2 23 840! 71!
Figure 19-8 Essential Cell Biology ( Garland Science 2010)
IB
Guilbert Developmental Biology, 6 th ed
(2n) 46, XX ( or 46, XY 4n 2n + 2n!! 4n 2n + 2n n x 4! 23, X 23, X or 23, Y
Langman: Medical embryology
Figure 19-14 Essential Cell Biology ( Garland Science 2010)
Department of Biological Sciences Kent State University Kent, Ohio 44242 Dr. Douglas Kline http://dept.kent.edu/biology/kline.htm
Let s break!
IB
IB
NIH Report/Stem Cells 05
7.5
9.0
12
13
2
7-8 25mm
Let s break!
3
http://www.biological-j.net/blog/2008/02/000386.html
19
3
4
2 3
9
19
St. 7 (week 3) St. 9 (week 3) St. 10 (week 4) St. 10 (week 4) St. 11 (week 4) St. 12 (week 4) http://anatomy.med.unsw.edu.au/cbl/embryo/embryo.htm
St. 13 (week 5) St. 14 (week 5) St. 15 (week 5) St. 16 (week 6) St. 17 (week 6) St. 18 (week 7) http://anatomy.med.unsw.edu.au/cbl/embryo/embryo.htm
St. 19 (week 7) St. 21 (week 8) St. 23 (week 8) http://anatomy.med.unsw.edu.au/cbl/embryo/embryo.htm
Critical period
21 99%
M2