When Appropriately Prompted, Diploid Individuals of Ulva Prolifera Form Spores

question 38

Multiple Choice

When appropriately prompted, diploid individuals of Ulva prolifera form spores that germinate to become haploid individuals. How might diploid individuals be created to complete the life cycle?

• A)Haploid individuals meiotically produce egg and sperm cells, which subsequently fuse.
• B)Some haploid individuals experience mitosis without cytokinesis followed by nuclear fusion.
• C)Some individuals differentiate to become haploid gametes and then fuse to produce a diploid zygote.
• D)Haploid individuals experience two sequential S phases in their cell cycle to reestablish the diploid state.

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