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There would be less genetic variation in humans
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Is it true crossing over decreases the genetic variability in humans?
yes, generally it does but does he opposite in animals
What are the differences between human fruit fly and pea plant genetic?
the procces of meiosis happends the same way in humans as in fruit flies.
How does crossing over explain genetic variability?
Normally the genes on a chromosome are inherited as a complete set. If you get that chromosome you get all the genes on it. In the process of crossing over similar sections of DNA are swapped from one chromosome to another. This means that different pairings of genes will be inherited together going forward.
Which would most likely decrease the genetic variation in the human population?
If the human population was reduced to a very small number of interbreeding individual then this small population, denied outbreeding, would have very little genetic variation. Humans, who went through a bottleneck event about 70,000 years ago, are considered a " small " species because they have little genetic variation in comparison to many other species. Google cheetah to see how this concept works.
Why are robots used instead of humans?
they do a better job then humans they can work longer then humans and do the same thing over and over again
What would happen if crossing over during meiosis didn't happen in humans?
If crossing over didn't happen during meiosis in humans, the haploid daughter cells would all have the same genes. The crossing over creates variation and causes each daughter cell to have slightly different genes.
What would happen if crossing over didn't happen in meiosis in humans?
If crossing over didn't happen during meiosis in humans, the haploid daughter cells would all have the same genes. The crossing over creates variation and causes each daughter cell to have slightly different genes.
What would happen if crossing over in meiosis didn't happen in humans?
If crossing over didn't happen during meiosis in humans, the haploid daughter cells would all have the same genes. The crossing over creates variation and causes each daughter cell to have slightly different genes.
What causes genetic variations in humans?
meiosis... for example.. crossing over
What would be the result if crossing over didnt happen during meiosisin humans?
There would be less genetic variation in humans
Is crossing over a chromosomal abnormality?
No, crossing over is a normal genetic process that occurs during meiosis when homologous chromosomes exchange genetic material. Chromosomal abnormalities are structural or numerical changes to the chromosomes that can result in genetic disorders.
Which is responsible for most genotypic and phenotypic variation among humans 1 meiosis 2 budding 3 mitosis or 4 regeneration?
Budding , mitosis and regeneration have no link with genetic variation.All variations in human being and other organisms are produced by MEIOSIS. During meiosis following important processes take place which include 1; crossing over in Prophase I ; Independent assortment of chromosomes and genes during Metaphase I , both of them result in reshufling of genes which is base of variation. Another source of variation is MUTATION.
When do organisms complete meiosis?
Meiosis is the process of making gametes (sex cells), so depending on what you mean by your question, either of the following may be correct: 1.) Meiosis will be complete after the individual no longer makes gametes. In humans, females complete meiosis even before they are born because they create all the eggs they will ever have during gestation. In males, this is an ongoing process. 2.) Meiosis may also be considered complete after the products are finished. In humans, females produce 1 egg and 3 polar bodies. In males, 4 sperm are produced.
When do humans need meiosis?
Meiosis produce haploid cells.So meiosis is used to produce sperms and ova.
What is the number of chromosomes in daughter cells in humans during meiosis?
Meiosis produces daughter cells with half as many chromosomes as the parent cell. This means that because a normal human cell has 46 chromosomes, a gamete (produced through meiosis) will only contain 23 chromosomes.
How many cells does meiosios produce and are they genetically identical?
Meiosis produces four daughter cells, each with half the number of chromosomes as the parent cell. These daughter cells are not genetically identical due to crossing over and random assortment of chromosomes during meiosis I.
When does meiosis occur?
Meiosis typically occurs during the formation of reproductive cells (eggs and sperm) in organisms for sexual reproduction. In humans, meiosis happens during the formation of eggs (in females) and sperm (in males) during gametogenesis.
