Put the whole sequence together, and test yourself.
Preview · progress not saved — Chapter 1 is free
Tick what you can now do after this chapter.
Cards for every key term in this chapter.
Questions from easy to hard across the chapter.
What is the ploidy of the primary endosperm nucleus (PEN)?
Answer the textbook's exercise questions.
Focus on: structural position on the embryonal axis and developmental outcomes.
Focus on: the specific technique and its core purpose in artificial hybridisation.
Focus on: the nutritional and structural relationship between this layer and the developing pollen.
Reason through how microspores and megaspores form.