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Date November 2019 Marks available 1 Reference code 19N.1.HL.TZ0.10
Level Higher level Paper Paper 1 Time zone TZ0 / no time zone
Command term Determine Question number 10 Adapted from N/A

Question

Which statements are characteristics of alleles?

I. Alleles differ significantly in number of base pairs.

II. Alleles are specific forms of a gene.

III. New alleles are formed by mutation.

A. I and II only

B. I and III only

C. II and III only

D. I, II and III

Markscheme

C

Examiners report

[N/A]

Syllabus sections

Core » Topic 3: Genetics » 3.1 Genes
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