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Exam (elaborations)
DEVBIOL LE2 Exam 2026-2027 with 
correct questions and detailed answers 2026 
verified
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---68June 20262025/2026A+
- DEVBIOL LE2 Exam with 
correct questions and detailed answers 2026 
verified 
formed between midgut and yolk sac which house 
the vitelline blood vessels - ANSWER-vitelline duct 
formed when visceral and parietal mesoderm split - 
ANSWER-intraembryonic cavity 
give rise to sensory vesicles - ANSWER-epidermal 
placodes 
posterior end part of the digestive tract - 
ANSWERproctodaeum 
first and most anterior segment of the foregut - 
ANSWER-stomodaeum 
2 | Page 
give r...
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$15.49 More Info
TheExamMaestro
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Package deal
DEV BIOL EXAM BUNDLE WITH COMPLETE SOLUTIONS
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---16September 2025
- DEV BIOL EXAM BUNDLE WITH COMPLETE SOLUTIONSDEV BIOL EXAM BUNDLE WITH COMPLETE SOLUTIONSDEV BIOL EXAM BUNDLE WITH COMPLETE SOLUTIONSDEV BIOL EXAM BUNDLE WITH COMPLETE SOLUTIONSDEV BIOL EXAM BUNDLE WITH COMPLETE SOLUTIONSDEV BIOL EXAM BUNDLE WITH COMPLETE SOLUTIONSDEV BIOL EXAM BUNDLE WITH COMPLETE SOLUTIONSDEV BIOL EXAM BUNDLE WITH COMPLETE SOLUTIO
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papersmaster01
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Exam (elaborations)
DEVBIOL LE2 (DERIVATIVES AND GENES ONLY)EXAM 100% SOLVED
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--2September 20252025/2026A+Available in bundle
- blastocyst gives rise to? - ANSWERSICM and trophoblast 
 
ICM gives rise to? - ANSWERSepiblast and hypoblast 
 
what is the immediate precursor of extraembryonic mesoderm? - ANSWERSsynctiotrophoblast 
 
extraembryonic endoderm gives rise to? - ANSWERSyolk sac 
 
the epiblast gives rise to? - ANSWERSembryonic epiblast and amniotic ectoderm 
 
the embryonic epiblast gives rise to? - ANSWERSembryonic ectoderm and primitive streak 
the primitive streak gives rise to ? - ANSWERSembryonic endoderm, no...
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$16.99 More Info
papersmaster01
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Exam (elaborations)
DEVBIOL LE2 EXAM QUESTIONS WIYH DETAILED ANSWERS
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--22September 20252025/2026AAvailable in bundle
- delamination - ANSWERSwhat morphogenetic movement is associated with the formation of hypoblast and epiblast 
 
icm and trophoblast - ANSWERSwhat are the two distinct populations of cells 
 
embryonic epiblast and amniotic ectoderm - ANSWERSwhat are formed form the epiblast 
 
embryonic endoderm, mesoderm, and notochordal process - ANSWERSwhat will be formed as cells move through the primitive streak 
 
bilaminar disc formation - ANSWERSformation of epiblast and hypoblast layers 
 
trilaminar di...
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$19.99 More Info
papersmaster01
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Exam (elaborations)
DEVBIOL LE2 EXAM QUESTIONS WITH COMPLETE SOLUTIONS
-
--24September 20252025/2026A+Available in bundle
- Epiblast and Hypoblast - ANSWERSThis Results to Delamination 
 
Primitive Streak Formation - ANSWERSEpiblast and Hypoblast Results to Delamination forming the 
 
Invagination - ANSWERSType of Movement of Cells through the Primitive Streak 
 
Endoderm - ANSWERSMoves Downward 
 
Embryonic Mesoderm - ANSWERSWhat Eventually regresses? 
 
Germ Layers - ANSWERSEctoderm, Mesoderm, Endoderm are mainly called the 
 
Trilaminar Disc Formation - ANSWERSEctoderm, Mesoderm, Endoderm are also referred to as 
...
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papersmaster01
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Exam (elaborations)
DEVBIOL LE2 EXAM 2025-2026 WITH CORRECT QUESTIONS AND DETAILED ANSWERS 2025 VERIFIED
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--8September 20252025/2026A+Available in bundle
- 2 different population of cells of blastocyst - ANSWERSInner cell mass; Trophoblast/ Trophoectoderm 
 
Responsible for initial attachment of blastocyst to uterine lining - ANSWERSCytotrophoblast 
 
ICM gives rise to ? and ? - ANSWERSEpiblast and Hypoblast 
 
Epiblast becomes what ? - ANSWERSEmbryonic Epiblast and Amniotic Ectoderm 
 
Hypoblast becomes what ? - ANSWERSExtraembryonic endoderm which forms the yolk sac 
 
With the morphogenetic movement of cells through the primitive streak, what ar...
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papersmaster01