morphogenesis - fly lab...area pellucida opaca primitive groove zona pellucida has changed from a...
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MorphogenesisBIOS 0702
2017
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Gastrulation
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Hypoblasts
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Limb development
FGF
Hedghog
Wnt
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Now you know why some people have 6 fingers
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Sex determination
• Mammals
• Presence of second X = female, Y = male
• Birds
• Matched (ZZ) = female, unmatched (ZW) = male
• Flies
• Number of X chromosome; 2 = female, 1 = male
• Bees
• Fertilized = female (2N), unfertilized = male (N)
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Ha
plo
dip
loid
y
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Gilbert Chapters 7, 13 & 14