jay4739 jay4739

04-10-2022
Biology

Answered

Plants of the genus Brassica have been found to have sporophytic self-incompatibility. Imagine that a pollen
grain is produced by a sporophyte with S₁ and S3 and that the gametophyte has S₁. In a test of self-
incompatibility, pollen from this plant is placed on the stigmas of five plants.
• Plant A is S₁S2
• Plant B is S₁S3
• Plant C is S2S4
• Plant D is S3S4
• Plant D is S4S5
On which of these plants can the pollen germinate?

Answer :

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