Development

1
Development
2
Fig. 8.2
3
Sea Urchin
Sea Urchin Egg
4
Fig. 8.4
Block of Polyspermy Fast membrane
potential Slow cortical reaction
5
Fig. 8.6
6
Fig. 8.7

• Cleavage pattern depends on
• Quantity of yolk
• Distribution of yolk
• Genetic determinants of
• cleavage symmetry

7
Fig. 8.9
8
Fig. 8.11a
9
Fig. 8.11b
10
Fig. 8.11e
11
Animal of the Day
12
Rana sylvatica (wood frog) Phylum
Chordata Class Amphibia Order
Anura Family Ranidae
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(No Transcript)
14
Freeze Tolerance
15
Fig. 8.13
16
Fig. 8.14
17
Fig. 8.18
18
Fig. 8.19
19
Fig. 8.22
20
Fig. 8.24