Zadanie 4c
Foxgloves are hermaphroditic flowering plants. Discuss how these plants can generate genetically varied offspring.
Preventing self-fertilization in plants
Explain self-incompatibility and its role in limiting inbreeding and maintaining genetic diversity.
Tę umiejętność sprawdzają 4 zadania wzorowane na arkuszach IB z lat 2025–2026.
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Zadanie 8
Sexual life cycles can produce new combinations of inherited traits. (a) Draw and label a section of an insect-pollinated flower, indicating the structures associated with male and female gamete production. (b) Explain the sources of variation arising through…
Zadanie 29
In an apple variety, pollen sharing the relevant incompatibility specificity with the maternal plant is rejected. What is a reproductive benefit of this mechanism? A. It prevents all changes in allele frequency B. It ensures that every ovule is fertilised by…
Zadanie 29
Which arrangement most strongly requires pollen transfer between different plants? A. Pollen lands on the stigma of its own flower B. Male and female flowers occur on separate individuals C. Anthers and stigmas mature together in one flower D. A flower…