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2.2 Stem cells

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Question 30
H

A scientist grows equal-sized samples from a plant meristem. One sample forms roots and the other forms shoots under different conditions.

Which conclusion is supported?

[1]
A

Cells from the same source can differentiate in different ways.

B

Different growing conditions must change every cell's chromosome number.

C

All the cells were already specialised before they were cultured.

D

Root formation requires mitosis but shoot formation requires meiosis.

Markscheme

2.2 Stem cells Questions

  1. GCSE
  2. /Biology
  3. /2.2 Stem cells

46 exam-style questions on Edexcel GCSE Biology 2.2 Stem cells, covering 2.2.1 Function of stem cells and meristems and 2.2.2 Benefits and risks of stem cells. Each one has a worked solution and a mark scheme showing where the marks go.

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