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MCD BIO 138Developmental Biology

Molecular, Cell, and Developmental Biology · 5 units · Undergraduate upper division (100-199)

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Development of understanding of fundamental molecular mechanisms and cellular activities guiding formation of complex organism from single fertilized egg. Development of model organisms to understand conserved nature of developmental decisions across animal kingdom, distinct features that lead to diversification of animal shape and form during evolution. Origin and roles of stem and progenitor cells in development and maintenance of specific organ systems. Roles of cell shape change, cell death, proliferation, and migration in generating shape of embryo, organs, and tissues. Mechanisms by which cells become different from and communicate with one another to coordinate their activities in time and space in embryo. Special emphasis on experimental approaches used to address these fundamental questions that determine how organized tissues and organs are formed and maintained throughout life of organism.

Letter grading.

When it runs

Checking the Schedule of Classes…

Requisites

Official UCLA wording

Requisites: Life Sciences 3, 4, and 23L, or 7A, 7B, 7C, 23L, and 107.

BruinTree reads · Prerequisite

needs reviewconfidence 0.45 · from text
one of
  • all of
    • LIFESCI 3
    • LIFESCI 4
    • LIFESCI 23L
  • all of
    • LIFESCI 7A
    • LIFESCI 7B
    • LIFESCI 7C
    • LIFESCI 23L
    • LIFESCI 107
  • · "LIFESCI 3" is not in this catalog version
  • · "LIFESCI 4" is not in this catalog version
  • · "LIFESCI 23L" is not in this catalog version
  • · "LIFESCI 23L" is not in this catalog version
  • · mixed comma-level AND/OR in "Life Sciences 3, 4, and 23L, or 7A, 7B, 7C, 23L, and 107" — grouping is a best reading

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About MCD BIO 138. We read UCLA’s requisite wording by machine, and it gets things wrong.

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Requires

Everything that has to come before this course, not just the courses named in the requisite above.

MCD BIO 138

  • LIFESCI 7ACell and Molecular Biology
  • LIFESCI 7BGenetics, Evolution, and Ecology
    • LIFESCI 7ACell and Molecular Biologyanother path to it
  • LIFESCI 7CPhysiology and Human Biology
    • LIFESCI 7BGenetics, Evolution, and Ecologyanother path to it
  • LIFESCI 107Genetics
    • CHEM 14AGeneral Chemistry for Life Scientists I
      • MATH 3ACalculus for Life Sciences Students1 more beneath
      • LIFESCI 30AMathematics for Life Scientists
      • MATH 31ADifferential and Integral Calculusanother path to it
    • LIFESCI 7CPhysiology and Human Biologyanother path to it
    • CHEM 14CStructure of Organic Molecules
      • CHEM 14BGeneral Chemistry for Life Scientists II5 more beneath
    • CHEM 20AChemical Structure
      • MATH 31ADifferential and Integral Calculus1 more beneath
    • CHEM 30AOrganic Chemistry I: Structure and Reactivity
      • CHEM 20BChemical Energetics and Change3 more beneath

4 direct requisites. Showing 17 courses over 3 levels; the branches marked with a count carry on past it. Every course here opens its own tree.

Unlocks

What this course is a requisite for, and what those courses lead to in turn.

MCD BIO 138

  • MCD BIO 143Developmental Biology: Genetic Control of Organogenesis
  • MCD BIO 168Stem Cell Biology

2 courses list this as a requisite. The whole downstream is here — 2 courses over 1 level. Every course here opens its own tree.

  • Fall 2025
  • Winter 2026
  • Spring 2026
  • Summer 2026
  • Fall 2026
  • Winter 2027
  • Spring 2027

Scheduled, not typical — from UCLA’s Schedule of Classes, which publishes Fall 2025 through Spring 2027 and nothing before it.