The newest 5 of 5 written questions. Open one to see it on the real paper.
State which compound is not a hydrocarbon. Explain your answer. compound explanation
See it on the paper →State what is meant by a chromosome. (i)
See it on the paper →Complete the definition of the term chromosome. A chromosome is a thread-like structure of , carrying genetic information in the form of .
See it on the paper →State where chromosomes are found in human cells.
See it on the paper →State the cause of the variation seen in Fig. 10.1.
See it on the paper →DNA, genes and genetic information were quite well known. The most common non-creditworthy response was something passed down from parents.
— Examiner report, May/June 2025, 0654/43 Q3(c)(i) (Cambridge)
Some candidates reversed their two answers. Others suggested gametes rather than genes for the second answer.
— Examiner report, February/March 2023, 0654/32 Q4(b)(i) (Cambridge)
The cause of blood group variation was sometimes stated as genetic, while mutation was often incorrectly suggested.
— Examiner report, May/June 2022, 0654/43 Q10(a)(iv) (Cambridge)
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