CSC483 HW04

CSC 483: Homework 4, Due Feb 3, 2026, at 1 pm (with time for me to make copies before class)

1. Rosalind problem 20: sequence & alignment. (3 pts + 4 pts of PR)

  1. Make a copy of your homework colab template, save it to your drive, and rename it: [Name]_CSC483_HW04.ipynb

  2. You will also share your HW04 notebook with me as your submission.

  3. Complete Rosalind problem 20 in the same format as you used for HW 1.

Note that scoring matrices can be loaded via a python library:

!pip install scoring-matrices
from scoring_matrices import ScoringMatrix
blosum62 = ScoringMatrix.from_name("BLOSUM62")
blosum62['A', 'C']
  1. In-class peer review holds an additional 4 points in the grading scheme, so be sure to finesse your notebook for easy reading.

2. Update Check-in Notebook (1 pts)

  1. Move your reflections from HW1, HW2 and HW3 into your check-in notebook.

  2. Review your check-in notebook and scores for last week’s homework assignment

  3. Include a Markdown chunk that attests to my notes or requests a correction/update