Nucellus

http://en.wikipedia.org/wiki/Ovule#Nucellus.2C_megaspore_and_perisperm This should explain it pretty well

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... are homosporous however sexually are different. Ans. 3. Microsporangium = pollen sac, microgametophyte = pollen grain, mega(macro-)sporangium = nucellus, macrogametophyte = embryo sac

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... # of chromosomes would be 40 *pollen is haploid so the# of chromosome would be 20 * i believe the megasporocyte is diploid, but i am not sure.. *nucellus is diploid tissue so the # of chromosomes would be 40 I'm still lost on the first question, can anyone help me out. 1. What similarities do ...

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... two. can someone correct me if i'm wrong for my 3rd question: embryo- 40 chromosomes pollen nucleus- 20 chromosomes megasporocyte- 40 chromosomes nucellus tissue- 40 chromosomes

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... number of chromosomes equal to 40, how many chromosomes will be found in an embryo in the seed? In a pollen nucleus? In a megasporocyte? In a nucellus tissue?

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