Strawberry plants grow runners and new strawberry plants develop along the runners - Edexcel - GCSE Biology - Question 2 - 2012 - Paper 1
Question 2
Strawberry plants grow runners and new strawberry plants develop along the runners. The new plants are genetically identical to the parent plant.
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Worked Solution & Example Answer:Strawberry plants grow runners and new strawberry plants develop along the runners - Edexcel - GCSE Biology - Question 2 - 2012 - Paper 1
Step 1
Name the type of cell division that results in the production of these new plants.
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Answer
The type of cell division that results in the production of new strawberry plants is called mitosis. This process facilitates the growth and replication of cells to form new identical plants.
Step 2
Suggest advantages of producing new strawberry plants in this way.
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Answer
The new plants have the same characteristics as the parent plant, ensuring consistency in quality and traits.
It is easier to generate new plants, allowing for more efficient propagation and cultivation.
Step 3
Describe how to extract DNA from a strawberry.
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Stage 1: To break open cells, release cell contents, and dissolve DNA. This typically involves crushing the strawberry to disrupt cell membranes.
Stage 3: To precipitate DNA from the solution, separate it from other components. This often includes adding alcohol to make DNA visible.
Step 4
Name an organelle found in all living cells.
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Answer
One organelle found in all living cells is the nucleus, which contains the cell's genetic material.
