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Questions and Answers
What distinguishes anisogamy from other forms of sexual reproduction?
What distinguishes anisogamy from other forms of sexual reproduction?
In which type of sexual reproduction does the male gamete fertilize a much larger female gamete?
In which type of sexual reproduction does the male gamete fertilize a much larger female gamete?
Where are male gametes produced in oogamy?
Where are male gametes produced in oogamy?
What process involves the whole thallus acting as a gamete in certain unicellular algae?
What process involves the whole thallus acting as a gamete in certain unicellular algae?
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In Chlamydomonas, what happens during the process of fertilization in oogamy?
In Chlamydomonas, what happens during the process of fertilization in oogamy?
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Study Notes
Anisogamy
- Anisogamous sexual reproduction involves gametes that differ in both morphology and physiology.
- Microgametes (male gametes) and macrogametes (female gametes) are produced in separate gametangia.
- Example organism: Chlamydomonas.
Oogamy
- Oogamy represents the most advanced form of sexual reproduction.
- It involves the fusion of a small male gamete (microgamete) with a large female gamete (egg).
- Male gametes are formed in a structure called antheridium; female gametes are produced in an oogonium.
- During fertilization, the male gamete travels to the oogonium and fertilizes the egg, leading to the formation of a diploid zygote.
- Example organism: Chlamydomonas.
Hologamy
- In hologamy, entire thalli (structures) of certain unicellular algae act as gametes.
- Fusion occurs between thalli of opposite strains, resulting in the formation of a diploid zygote after fusion.
- Example organism: Chlamydomonas.
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Description
Explore the concepts of anisogamy and oogamy in sexual reproduction. This quiz delves into the differences between male and female gametes, their production, and examples from organisms like Chlamydomonas. Test your understanding of these advanced reproductive strategies.
