| Date | November 2013 | Marks available | 1 | Reference code | 13N.1.HL.TZ0.35 |
| Level | Higher level | Paper | Paper 1 | Time zone | TZ0 |
| Command term | Question number | 35 | Adapted from | N/A |
Question
In a variety of tulips, V is the allele for variegated colour and C is the allele for compound flower. Which cross will give a 1:1:1:1 ratio of phenotypes in the offspring?
A. VvCc × VvCc
B. VVcc × vvCC
C. VvCc × vvCc
D. Vvcc × vvCc
Markscheme
D
Examiners report
Fewer than half gave the correct answer of D.
