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Plant life cycle and alternation of generations: 1. The haploid gametophytic plant body produces gametes by mitosis. 2. Following fertilisation the zygote divides by mitosis to produce a diploid sporophytic plant body. 3. Haploid spores are produced by this plant body by meiosis. Regarding 1,2 and 3:

( a ) 3 is incorrect but 1 and 2 are correct
( b ) 1 is correct but 2 and 3 are incorrect
( c ) 1 is incorrect but 2 and 3 are correct
( d ) All are correct
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(D) is the right answer.

Plant life cycle and alternation of generations:The haploid plant body produces gametes by mitosis. This plant body represents a gametophyte. Following fertilisation the zygote also divides by mitosis to produce a diploid sporophytic plant body. Haploid spores are produced by this plant body by meiosis.
answered Mar 20, 2014 by pady_1
 

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