Monday, November 2, 2009

Asexual Reproduction vs. Sexual Reproduction

Asexual reproduction is the formation of new individuals from the cells of a single parent. This results in offspring that are genetically identical to the parent. It is more common in plants than animals. Asexual reproduction occurs much faster than sexual reproduction because it does not require the formation of gametes or the need for fertilization. One of the many advantages of asexual reproduction is that when the population density is low, they don't have to search for a mate because they can reproduce by themselves. Some species alternate between sexual and asexual reproduction depending on conditions. Asexual reproduction is much less complicated.

1.) What are the 3 main types of asexual reproduction?
2.) Are there any consequences to asexual reproduction?
3.) Why is asexual reproduction more common in plants than animals?

4 comments:

  1. 1.)Fission, fragmentation, and regeneration
    2.)A consequence of asexual reproduction is that offspring are typically genetically similar to their parent, with as broad a range as that individual receives from one parent. The lack of genetic recombination results in fewer genetic alternatives than with sexual reproduction.
    3.)It can be more easily done in plants and is more reliable. It can be done by stems from the parent plant curling into the earth and becoming a new plant, or the roots sending up new stems that eventually become independent. Some plants also form tiny buds that eventually break off and become a new plant.

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  3. 1. budding, fragmentation, and fission
    2. During asexual reproduction a clone of the parent is formed. If the parenta as poor DNA then so will the child. If there is a change in the organisms enviormentit may die because it won't be able to adapt to the changes.
    3. This is because plants can not move to mate with the other sex. So in order for them to reproduce they need to beable to do it by themselves. Animals on theo ther hand can move so mating by themselves is not necassary.

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  4. 1.) Binary fission, budding, and fragmentation are all main types of asexual reproduction
    2.) yes, when organism asexually reproduce there is more of a chance of their species being wiped out, they need a stable enviroment.
    3.) Asexual reproduction is common in plants because it requires little energy and they don't need a mate

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