BLG1501 Assignment 2 (COMPLETE ANSWERS) Semester 1 2026 (641006) - DUE 20 April 2026;

BLG1501 Assignment 2
(COMPLETE ANSWERS)
Semester 1 2026 (641006) -
DUE 20 April 2026;

, BLG1501 Assignment 2 (COMPLETE ANSWERS) Semester 1 2026 (641006) - DUE 20 April
2026;


QUESTION 1 A purple flower (P) is dominant, and the white flower (p) is recessive. Use the
Punnet square to predict the results of this monohybrid cross between a purple homozygote
flower and a white homozygote flower and state the phenotypic and genotypic ratios of the F2
generation. [20]


QUESTION 2 2.1 Tabulate the differences between prokaryotic and eukaryotic cells. (14) 2.2
Write explanatory notes on the structure and function of ribosomes. (10) [24]


QUESTION 3 List the phases of meiosis I and meiosis II and describe the events characteristic
of each phase. [25]


QUESTION 4 4.1 Distinguish between parasitism, mutualism, and commensalism and give
examples of each symbiotic relationship (9) 4.2 Briefly explain the four major threats to
biodiversity and give an example of each. (12)




BLG1501 ASSIGNMENT 2

Introductory Biology

Semester 1 – 2026
Student Number: 641006
Due Date: 20 April 2026