anisogamy वाक्य
उदाहरण वाक्य
मोबाइल
- That starts with anisogamy, which arose long before mammals appeared.
- Here, fusion of 2 dissimilar gametes occurs, known as anisogamy.
- Anisogamy is the fertilization of gametes of dissimilar morphology by sexual reproduction.
- Anisogamy unequal sized gamonts is present.
- There are several types of anisogamy.
- Some trophozoites enlarge and become macrogamete, whereas others divide repeatedly to form microgametes ( anisogamy ).
- Many anisogamous external fertilizers select for different traits due to anisogamy due to the nature of their fertilization.
- The " two-fold cost of sex " may more accurately be described as the cost of anisogamy.
- In several lineages, this form of reproduction independently evolved to anisogamy with gametes of male and female types to oogamy.
- This is a result of anisogamy, where sperm are smaller and much less costly ( energetically ) to produce than eggs.
- This stands in contrast to the Bateman s Principle, which claims anisogamy leads to a stronger sexual selection on males rather than females.
- This concept of anisogamy affecting the evolution of mating systems and parental behaviors was adopted by a few of the initial researchers of the parental investment theory.
- The first mathematical model to explain the evolution of anisogamy via individual level selection, and one that became widely accepted was the theory of gamete or sperm competition.
- The three main theories for the evolution of anisogamy are gamete competition, gamete limitation, and intracellular conflicts, but the last of these three is not well supported by current evidence.
- There is then a relatively sound theory base for understanding this fundamental transition from isogamy to anisogamy in the evolution of reproduction, which is predicted to be associated with the transition to multicellularity.
- It has been proposed that the earliest sexual dimorphism is the size differentiation of sperm and eggs ( anisogamy ), but the evolutionary significance of sexual dimorphism is more complex than that would suggest.
- Sperm competition is often compared to having selection for numerous sperm has contributed to the evolution of anisogamy with very small sperm ( because of the energy trade-off between sperm size and number ).
- Mating types ( types of gametes, according to their compatibility ) may have arisen as a result of anisogamy ( gamete dimorphism ), or the male and female genders may have evolved before anisogamy.
- Mating types ( types of gametes, according to their compatibility ) may have arisen as a result of anisogamy ( gamete dimorphism ), or the male and female genders may have evolved before anisogamy.
- It is a form of anisogamy ( heterogamy ) in which the female gamete ( e . g . motile to the zygote, but it is usually tasked with all of the travel necessary to bring the respective gametes together.
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