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2021-05-14

What is least likely to cause a genetic variation?

What is least likely to cause a genetic variation?

The least likely or no genetic variation is caused by the asexual reproduction that takes place in somatic cell division or cells that are not taking part in sexual reproduction.

Is there more variation in sexually or asexually reproducing organisms?

The process of sexual reproduction introduces variation into the species because the alleles that the mother and the father carry are mixed together in the offspring. A disadvantage is that sexual reproduction takes longer than asexual reproduction.

Which form of reproduction gives the greatest genetic variation?

Sexual reproduction

Why does sexual reproduction increase genetic variation?

Sexual reproduction provides genetic diversity because the sperm and egg that are produced contain different combinations of genes than the parent organisms. So in order to form a new organism, two gametes — the sex cells, sperm and egg — must fuse, further mixing the genes to produce more genetic diversity.

What is an advantage of sexual reproduction?

The advantages of sexual reproduction: produces genetic variation in the offspring. the species can adapt to new environments due to variation, which gives them a survival advantage. a disease is less likely to affect all the individuals in a population.

Why is sexual reproduction important?

About 1.3 billion years ago, sexual reproduction starts mixing genes and paves the way for the great diversity we see today. It’s hugely important on this timeline because it allows organisms to begin combing genes, allowing the next generation to do more than its parents; upping the chance of survival.

What are disadvantages of sexual reproduction?

List of the Disadvantages of Sexual Reproduction

  • Less than 50% of the population is capable of gestation.
  • It requires each gender to find a mate.
  • Outside influences can determine offspring viability.
  • Sexual reproduction can transfer diseases to another individual.
  • This option for reproduction is not guaranteed.

What is an example of sexual reproduction?

In fact, sexual reproduction—the union of two gametes (syngamy)—is the most common sexual phenomenon and occurs quite widely among the protists—for example, among various flagellated organisms and pseudopods and among many parasitic phyla (e.g., in Plasmodium, a malaria-causing organism).

What are the 5 types of asexual reproduction?

There are a number of types of asexual reproduction including fission, fragmentation, budding, vegetative reproduction, spore formation and agamogenesis.

Do carrots reproduce asexually?

Many plants reproduce asexually. This includes food crops like onions, pineapple, potatoes and carrots. Other plants can reproduce either sexually or asexually. Blackberries, for example, can reproduce asexually by sending out “runners” that take root wherever they touch the ground.

Do jellyfish get pregnant?

There are a few jellyfish species that receive sperm through their mouths to fertilise eggs inside the body cavity, but most jellyfish just release sperm or eggs directly into the water. Under favourable conditions they will do this once a day, usually synchronised to dawn or dusk.

Why are jellyfish called Medusa?

A jellyfish is called a Medusa The shape of this bell is called a medusa because it looks like the evil Medusa in Greek mythology – a woman who had offended the goddess Athena who then changed her hair into snakes and made her face so hideous it turned people into stone.

Does a jellyfish have eyes?

A set of special eyes, similar to our own, keeps venomous box jellyfish from bumping into obstacles as they swim across the ocean floor, a new study finds. The eyes of box jellyfish are located on cup-like structures that hang from their cube-shaped bodies. …

Are jellyfish edible?

You can eat jellyfish in many ways, including shredded or sliced thinly and tossed with sugar, soy sauce, oil, and vinegar for a salad. It can also be cut into noodles, boiled, and served mixed with vegetables or meat. Prepared jellyfish has a delicate flavor and surprisingly crunchy texture.