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MCD BIO 50 / LEE, PEIYUN

Stem Cell Biology, Politics, and Ethics: Teasing Apart Issues

How MCD BIO 50 grades when LEE, PEIYUN teaches it. MCD BIO 50, every instructor LEE, PEIYUN, every course

Grades, this instructor

3.77adjusted historical GPA, this instructor

987 letter grades across 9 terms, Fall 2021 to Fall 2025. The course pools every instructor at 3.78 over 1,203 letter grades.

Raw average
3.77
The mean of this instructor's recorded letter grades in this course.
In the A range
83.7%
A+, A and A minus out of 987 letter grades.
D, F or W
0.8%
D-range and F grades plus withdrawals, divided by letter grades plus withdrawals.
Taken pass/no pass
2.3%
20 of 23 pass/no-pass outcomes passed. Share is of letter, P/NP and S/U outcomes.

Grade distribution

  • A+11 / 1.1%
  • A649 / 65.8%
  • A-166 / 16.8%
  • B+72 / 7.3%
  • B41 / 4.2%
  • B-24 / 2.4%
  • C+12 / 1.2%
  • C4 / 0.4%
  • C-1 / 0.1%
  • D+4 / 0.4%
  • D3 / 0.3%
  • D-0 / 0%
  • F0 / 0%
  • DR1 of 1,011
  • NP3 of 1,011
  • P20 of 1,011

Percentages are of the 987 letter grades. Grey bars are non-letter outcomes: passes (P), no-passes (NP), and withdrawals (DR). They are excluded from GPA.

Term by term

Raw averages for the terms in this record. A missing term does not establish that this instructor did not teach it. Summer sessions are included when present.

3.203.604.003.5621F3.7322W3.8822F3.8823W3.8223F3.8224W3.8724F3.6825W3.6825F

Dashed line: course average across all instructors, 3.78.

One recorded instructorCo-taught, grades shared
Fall 20213.56107 letter grades.
Winter 20223.73115 letter grades.
Fall 20223.88117 letter grades.
Winter 20233.88113 letter grades.
Fall 20233.82117 letter grades.
Winter 20243.82112 letter grades.
Fall 20243.87115 letter grades.
Winter 20253.68100 letter grades.
Fall 20253.6891 letter grades.
Is one term a guide to the next?

Across the measured corpus, the same course and instructor's term averages were strongly correlated, including terms several years apart. That is why the adjustment does not weight recent terms more heavily. This is a dataset-wide pattern, not a promise about this instructor's next class.

Teaching it in Fall 2026

Section

Lec 1

TR 11:00am-12:15pm

Seats

Closed by the department

115 enrolled

Seat risk

no history

An estimate, separate from the seat reading.

Read October 16, 2026 at 1:32 PM PDT. Seat counts can change before you enroll.

Every linked section (6)
Dis 1BR 2:00pm-2:50pmclosed by the department: 20 enrolled
Dis 1CR 3:00pm-3:50pmclosed by the department: 20 enrolled
Dis 1DF 9:00am-9:50amclosed by the department: 17 enrolled
Dis 1AR 1:00pm-1:50pmclosed by the department: 19 enrolled
Dis 1EF 10:00am-10:50amclosed by the department: 20 enrolled
Dis 1FF 11:00am-11:50amclosed by the department: 19 enrolled
Every MCD BIO 50 section and instructor

Reading these figures

Raw is the mean of the recorded letter grades. The adjusted historical GPA pulls an instructor's average toward the course's adjusted average, which itself uses a department prior. It is a comparison aid, not a calibrated prediction or a student rating. Small samples carry more uncertainty. All recorded instructor roles are included, and a section is counted only once for this instructor. Grades cannot establish workload or explain why outcomes differed.

What students say

dibs measures outcomes. For students' experiences of the class, BruinWalk has reviews.

Reviews for LEE, PEIYUN in MCD BIO 50