CAIE IGCSE Biology 17.1.1 Chromosomes Are Made of Dna Which Questions
Practise linking chromosomes to DNA and recognising genes as DNA sequences carrying genetic information.
- Syllabus
- 2026–2028
- Course
- Biology 0610
Exam points
- state that chromosomes are long DNA molecules carrying many genes
- state that DNA contains genetic information in the form of genes
CAIE IGCSE Biology 17.1.1 Chromosomes Are Made of Dna Which Questions question 1
A scientist investigated sexual reproduction in flowering plants.
Fig. 2.1 shows the procedure for crossing two plants of the same species.
The scientist collected the seeds and germinated them. The leaves and flowers of the offspring plants showed phenotypic variation as they were not all identical to the parent plants.
The scientist then investigated the chromosomes of all the offspring plants and found that they had exactly the same number of chromosomes as the parent plants.
Define the term chromosome.
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