HSA 2006 Biology Item 29

Corals are marine animals that often live in tropical seas. Many types of corals have unicellular algae living in their tissues. The algae provide up to 98 percent of the corals' food. The corals provide protection and inorganic nutrients for the algae.

Some coral cells undergo meiosis. Which of these would not occur during meiosis?

1. formation of a zygote
2. chromosomes crossing-over
3. production of gametes
4. reduction in number of chromosomes