Question: DEVELOPMENTAL BIOLOGY LAB Drawing Assignment 3 Due At Exam 3 #1 Draw And Label The Following Stages Of Starfish Development: A) Cleavage: 4 Cells-Labels: Blastomers, Fertilization Membrane Labels 2 Pts: Drawing 2 Pts] B) Early Blastula- Labels: Blastococl, Blastomere [Labels 2 Pts; Drawing 2 Pts] C) Late Blastula- Labels: Blastocoel [Labels 1 Pts, Drawing …

Question: DEVELOPMENTAL BIOLOGY LAB Drawing Assignment 3 Due At Exam 3 #1 Draw And Label The Following Stages Of Starfish Development: A) Cleavage: 4 Cells-Labels: Blastomers, Fertilization Membrane Labels 2 Pts: Drawing 2 Pts] B) Early Blastula- Labels: Blastococl, Blastomere [Labels 2 Pts; Drawing 2 Pts] C) Late Blastula- Labels: Blastocoel [Labels 1 Pts, Drawing …

DEVELOPMENTAL BIOLOGY LAB Drawing Assignment 3 due at Exam 3 #1 Draw and label the following stages of Starfish development:

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DEVELOPMENTAL BIOLOGY LAB Drawing Assignment 3 due at Exam 3 #1 Draw and label the following stages of Starfish development: a) Cleavage: 4 cells-Labels: blastomers, fertilization membrane Labels 2 pts: Drawing 2 pts] b) Early Blastula- labels: blastococl, blastomere [Labels 2 pts; Drawing 2 pts] c) Late Blastula- labels: blastocoel [Labels 1 pts, Drawing 3 pts] d) Early Gastrula- labels: blastocoel, archenteron, blastopore [Labels 3 pts: Drawing 3 pts) e) Mid- Gastrula- labels: blastopore archenteron, archentric vesicle Labels 3 pts, Drawing 3 pts] d) Late Gastrula-Labels: blastopore, stomodeum, soclomic sac, archenteron [Labels 4 pts: Drawing 3 pts) #2 Draw and label the following stages of Frog development: a) Early Cleavage- labels: cleavage furow, animal hemisphere, vegetal hemisphere, blastocoel, micromere, [Labels 6 pts; Drawing 4 pts) b) Late Cleavage / Blastula- labels animal pole, vegetal pole, micromeres, macromeres, blastocoel Labels 5 pts, Drawing 4 pts) c) Early Gastrula (dorsal lip of blastopore present) labels: blastocoel, archenteron, dorsal lip of blastopore, [Labels 4 pts, Drawing 4pts] d) Late Gastrula (Yolk Plug present)- labels: dorsal lip of blastopore, ventral lip of blastopore, yolk plug. archenteron, blastocoel, ectoderm, chardamesoderm, blastopore [Labels 8 pts, Drawing 5 pts] #3 Draw and label the following stages of Avian development: a) 16-18 hours chick whole mount- Primitive streak (See p 9798) labels area paca, area pellucida primitive ridge(fold), primitive groove, Hensen’s node Labels Spes: Drawing 5 pts) b) 18-20 hours chick whole mount Head process (See p 99-100): Labels: head fold, neural plate, area opaca area pellucida primitive ridge (fold), primitive groove, Hence’s node, head process, blood inlands Labels 9 Drawing 5) macromere animal cap