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Which row correctly shows the chromosomes present and the type of nucleus in some human sperm cells?
See it on the paper →The nucleus of the sperm cell is haploid. Describe what is meant by a haploid nucleus.
See it on the paper →State the name of the type of nucleus that only contains a single set of chromosomes.
See it on the paper →State how the arrangement of the chromosomes in the part labelled X in Fig. 1.2 is different to that of a human body cell.
See it on the paper →Describe the difference between the arrangement of chromosomes found in the nuclei of sperm and those in a zygote.
See it on the paper →State the number of chromosomes in one human sperm cell.
See it on the paper →Pollen contains the male gametes. State one way the chromosome number in the nuclei of a gamete is different from that of a zygote.
See it on the paper →Haploid was well known. Common incorrect responses included diploid, egg, nucleus and cell.
— Examiner report, May/June 2025, 0654/43 Q3(c)(ii) (Cambridge)
This question asked for the arrangement of the chromosomes and not the number. Many candidates stated that there were a haploid number of chromosomes, but this did not answer the question posed. Stronger candidates were able to describe the chromosomes as being unpaired.
— Examiner report, February/March 2024, 0654/42 Q1(b)(i) (Cambridge)
Some candidates correctly described the difference in the nuclei of sperm as being unpaired and those in the nuclei of a zygote as being paired. Many others simply compared the number of chromosomes.
— Examiner report, October/November 2022, 0654/41 Q1(c) (Cambridge)
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