Gregor Mendel crossed red-flowered pea plants with white-flowered pea plants - Edexcel - GCSE Biology - Question 3 - 2018 - Paper 1
Question 3
Gregor Mendel crossed red-flowered pea plants with white-flowered pea plants.
Describe how this equipment could be used to do this cross and discover the flower col... show full transcript
Worked Solution & Example Answer:Gregor Mendel crossed red-flowered pea plants with white-flowered pea plants - Edexcel - GCSE Biology - Question 3 - 2018 - Paper 1
Step 1
Remove pollen/male gametes from one plant using a brush
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Begin by using a small brush to carefully remove the anthers from the red-flowered pea plants. This allows you to collect the male gametes without damaging the flowers.
Step 2
Transfer pollen/male sex cells to another plant
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Next, take the collected pollen and use the brush to transfer it to the stigma of the white-flowered pea plants. This step is crucial as it facilitates the cross-pollination process.
Step 3
Collect the seeds
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After pollination occurs, wait for the plants to develop seeds. Once the seeds are mature, collect them for further examination.
Step 4
Grow seeds in soil
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Finally, plant the collected seeds in a tray containing soil and provide them with the necessary conditions to grow. Observe the flower color of the new pea plants once they have matured.
