At which stage of pollen grain development ar | vedclass

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(C) In most angiosperms,pollen grains are shed at the $2$-celled stage (vegetative cell and generative cell). However,in species where the pollen grai

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Three-celled

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(C) In most angiosperms,pollen grains are shed at the $2$-celled stage (vegetative cell and generative cell). However,in species where the pollen grain is shed at the $3$-celled stage,the generative cell divides mitotically to give rise to the two male gametes before pollen grains are shed. Therefore,the male gametes are formed at the $3$-celled stage of the pollen grain.

At which stage of pollen grain development are the male gametes formed?

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