| Date | November 2021 | Marks available | 1 | Reference code | 21N.1.HL:.tz0.37 |
| Level | Higher Level | Paper | Paper 1 | Time zone | time zone 0 |
| Command term | Question number | 37 | Adapted from | N/A |
Question
Which statement is correct regarding gene expression?
A. Traits like VO2 max and height are inherited and cannot be altered by environmental influence.
B. Traits like VO2 max and height are not inherited but rely on environmental influence to reach their full potential.
C. Phenotypic expression or human characteristics cannot be determined by genotype.
D. The number of possible outcomes for human characteristics is limited due to the contribution from only two parents.
Markscheme
D
Examiners report
This question stood out to the examiners during the examination meeting because most candidates selected option B as the correct answer rather than D. The examiners considered that the wording of response B was poor and so accepted both responses B and D as correct. Note, response B was amended for the published version.
