| Date | May 2021 | Marks available | 1 | Reference code | 21M.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?
A. Children inherit all of their genes from their mother.
B. All human characteristics are expressed developmentally.
C. Some characteristics require an environmental switch.
D. Genotypes are determined by phenotypes.
Markscheme
C
Examiners report
Low-difficulty question (81.96 % correctly answered).
