Q1 · 2022 · Paper 1Unclassified1 mark
QUESTION 1
What is the molecular unit of heredity?
(A) gene
(B) genome
(C) nucleotide
(D) chromosome
WORKED SOLUTION
1 markAnswer A
OFFICIAL ANSWERA
QCAA awards 1 mark for selecting option A.
Correct option from the official QCAA answer key.