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Inheritance and genetic crosses

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Question 16

A student wants to investigate inheritance patterns in Brassica rapa (rapid-cycling brassica) by carrying out a genetic cross to study stem colour.

They are provided with the equipment shown in the diagram:

Equipment for the brassica genetic cross: A purple-stemmed parent plant, a green-stemmed parent plant, a cotton swab pollinating stick, and a seed tray containing soil.

Describe how the student could use this equipment to carry out the genetic cross between the purple-stemmed and green-stemmed plants, and determine the stem colour of the offspring produced.

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Inheritance and genetic crosses Questions

  1. GCSE
  2. /Biology
  3. /Inheritance and genetic crosses