DP Biology (first assessment 2025)

Test builder »

Question 23M.2.SL.TZ2.c

Select a Test
Date May 2023 Marks available [Maximum mark: 1] Reference code 23M.2.SL.TZ2.c
Level SL Paper 2 Time zone TZ2
Command term Suggest Question number c Adapted from N/A
c.
[Maximum mark: 1]
23M.2.SL.TZ2.c

Suggest a reason for the F2 generation not corresponding exactly to the expected ratio of purple-flowered and white-flowered plants.

[1]

Markscheme

chance / OWWTE;

(any of the usual mechanisms causing recombination of alleles) NOT mutation.

Any wording that implies the bigger the sample size, the closer to 3:1.

Syllabus sections