EE BIOL 121
Molecular Evolution
Lecture and discussion.
Fall 2026: 1 lecture and 9 discussions. Nothing here is open. The oldest of these readings was 8 hours ago.
Grades
3.97
Average grade awarded in EE BIOL 121. Not a student rating: this is what the grades were.
In the A range
98%
of the 457 letter grades
D, F or W
0.2%
of every letter grade awarded, plus withdrawals
Taken pass/no pass
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the registrar has this letter grade only this term
The registrar's own records: 457 grades over 5 terms, Fall 2021 to Fall 2025. Every instructor is pooled here.
What is inside that record
No summer session is in that record.
The table below splits them, and term averages across those 5 terms ran 3.73 to 4.00.
Historical grades for KNOWLES, BEN, across recorded terms. The course summary above includes all professors.
- A+ 240 · 52.5%
- A 203 · 44.4%
- A- 6 · 1.3%
- B+ 4 · 0.9%
- B 2 · 0.4%
- B- 1 · 0.2%
- F 1 · 0.2%
Percentages are of the 457 letter grades. Grey bars are non-letter outcomes.
How the non-letter outcomes are counted
They are excluded from the GPA entirely rather than scored, because counting a P as a 4.0 would be a fabrication.
By instructor
| Instructor | Predicted GPA | Raw | n | Terms | A range | Workload | Fall 2026 |
|---|---|---|---|---|---|---|---|
| KNOWLES, BEN reviews ↗ | 3.97 | 3.97 | 457 | 5 | 98% | very light | Closed |
Why Predicted is not the Raw average
“Predicted” is shrunk toward the course average, which is itself shrunk toward the department, so an instructor with a handful of students sits near the course mean rather than topping the list.
Grade records describe outcomes. For what a course is like to take, read student reviews written on dibs below or follow the separate external review link.
Workload and assignments
Work types reported in BruinWalk reviews of this course, across recorded instructors and terms. They may differ from this term's syllabus.
What the work looks like
- 1 exam, said by 3 reviewers
- 4 quizzes, said by 4 reviewers
- Problem sets mentioned, no number given, said by 3 reviewers
- 6 group works, said by 2 reviewers
Read from 30 reviews 26 days ago. dibs counts only what a review actually states, so a kind of work nobody mentioned is absent rather than zero.
What comes first
The chain dibs can see is 1 course long before EE BIOL 121. This is a floor, not a deadline: dibs has not read a class page for LIFESCI 23L, so the real chain can only be longer than this, never shorter.
Counted in courses rather than quarters: dibs does not know which of them a department lets you take together.
In Falls
Ran in 5 of the last 5 Falls.
From the terms dibs holds, which start in Fall 2021 and exclude summer. A department can run a course in a quarter it never has before.
From the registrar's catalog
Lecture, three hours; discussion, one hour. Requisites: Life Sciences 3, 4, and 23L, or 7A and 23L. Molecular biology, with emphasis on evolutionary aspects. DNA replication, RNA transcription, protein synthesis, gene expression, and molecular evolution. Letter grading.
Sections in Fall 2026
You enroll in the discussion, not the lecture, so a discussion's status is the one that decides whether you get in. A lecture can read open while every discussion under it is full.
Seat counts as of : the oldest of these 10 readings. Seat readings are snapshots, not live availability. Their timestamps show when dibs last checked.
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Lec 1 MWF 9:00am-9:50amClosed3.97predicted, this instructor · 457 grades
180 of 180 enrolled high risk
9 discussions, none open. There is no waitlist either, so the only way in is somebody dropping the lecture.
Every discussion, with its time and seats (9)
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Dis 1A
F 8:00am-8:50am · La Kretz Hall 100
Closed20 of 20 enrolled
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Dis 1B
F 10:00am-10:50am · Mathematical Sciences 5217
Closed20 of 20 enrolled
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Dis 1C
F 11:00am-11:50am · Mathematical Sciences 5217
Closed20 of 20 enrolled
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Dis 1D
F 12:00pm-12:50pm · La Kretz Hall 101
Closed20 of 20 enrolled
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Dis 1E
R 8:00am-8:50am · La Kretz Hall 100
Closed20 of 20 enrolled
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Dis 1F
R 9:00am-9:50am · La Kretz Hall 100
Closed20 of 20 enrolled
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Dis 1G
R 11:00am-11:50am · Royce Hall 166
Closed20 of 20 enrolled
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Dis 1H
R 3:00pm-3:50pm · Mathematical Sciences 5233
Closed20 of 20 enrolled
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Dis 1I
R 4:00pm-4:50pm · Slichter Hall 2834
Closed20 of 20 enrolled
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Final enrollment, averaged across each term's sections: between 39 and 179 a term over 5 terms, summer excluded, most recently 179 in Fall 2025. That is the shape across years, not this term, which is above.
From the people who took it
Student reviews
What taking EE BIOL 121 was like: the work, the teaching, and what students wish they’d known.
Your experience could be the first.
No student reviews are available to read on dibs for this course yet. Took it? Tell the next person what helped, what was hard, and how you spent your time.
Looking for more perspectives?
External reviews are separate and do not count toward the dibs rating.
Seats over time in Fall 2026
How each lecture has filled since dibs first saw it.
A dot is a reading where something moved: the seat count, the status, or the waitlist.
What a flat run means, and where a line starts
Flat between dots means it did not drift, it held and then jumped, and a line starts when dibs first saw that lecture rather than reaching back before it existed. A lecture that has never moved draws a flat line across the whole window, and one with two or three readings draws a line joining them, which is too few to read a trend from.
Lec 1 · Knowles, B. · 180 of 180 enrolled
Nothing read since 2 Oct, 3 hours ago. Over about 2 months before that, filled by 15.
How readings and alerts work
A reading and an hourly record are different things, and most charts here hold more of the second missing than present. dibs has taken readings of a section since long before it began keeping an hour-by-hour log of when it looked, so the empty stretches are dibs saying it was not keeping that log yet, not that it looked and found nothing. That is the age of the record and not a fault.
Seat counts show the last successful read, not live availability. Refreshes can be delayed by request limits or upstream interruptions. Watched sections receive priority, but an hourly update for every section is not guaranteed.
The registrar can change a seat count between our checks. Alerts depend on dibs detecting an opening and completing delivery; a quiet watch does not prove that no seat opened. Check the registrar before enrolling.