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Science & Plants for Schools (SAPS)
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Investigating Vernalisation and Creating Genetic Crosses
Vernalisation offers an interesting example of the way that plants have evolved to exploit the predictability of seasonal change and, in this case, to ensure that flowering occurs at an appropriate time. It also gives an example of how environmental factors control and interact with different stages in the life cycle.
This sheet describes the process of vernalisation and how it can be done to help induce flowering in Chinese cabbages The resultant plants can then be used to carry out genetic crosses with rapid cycling brassicas.
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