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Title: In angiosperms, the male gametophyte consists of __________ ??? HELP? Post by: fireman on Oct 6, 2012 In angiosperms, the male gametophyte consists of ______
A. two sperm cells B. a pollen grain C. a single stamen D. an anther Title: In angiosperms, the male gametophyte consists of __________ ??? HELP? Post by: rk_9879 on Oct 6, 2012 A. Since it is a male gametophyte it produce male gametes, that is two sperm cells which are haploid and they undergo fertilization to produce a diploid zygote and a triploid primary endosperm nucleus (PEN) that develops into endosperm..
Title: In angiosperms, the male gametophyte consists of __________ ??? HELP? Post by: micro_2012 on Oct 6, 2012 B. a pollen grain
In angiosperm the pollen is the miniature but mature male gametophyte. This pollen is the entire gametophyte stage in the life cycle of an angiosperm. Pollen consists of a vegetative cell and a generative cell with two nuclei: one to form a pollen tube and one to produce the sperm nuclei to be delivered by the tube for fertilization of an ova. http://www.eplantscience.com/index_files/pollen.php |