DP Biology (first assessment 2025)

Test builder »

Question 19N.1A.SL.TZ0.35

Select a Test
Date November 2019 Marks available [Maximum mark: 1] Reference code 19N.1A.SL.TZ0.35
Level SL Paper 1A Time zone TZ0
Command term Distinguish Question number 35 Adapted from N/A
35.
[Maximum mark: 1]
19N.1A.SL.TZ0.35

Which event happens in meiosis II but not in meiosis I?

A. Spindle microtubules attach to centromeres.

B. Crossing over occurs.

C. Sister chromatids move to opposite poles.

D. Chromosomes become shorter and thicker by coiling.

[1]

Markscheme

C

Syllabus sections