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dusya [7]
3 years ago
11

How does crossing over ensure that organisms living in isolated populations will have genetic variation?

Biology
2 answers:
san4es73 [151]3 years ago
7 0
For example, a population with many different alleles at a single chromosome locus has a high amount of genetic variation. ... crossing over (or recombination) between chromatids of homologous chromosomes during meiosis.
vova2212 [387]3 years ago
5 0

Answer:

Genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).

Explanation:

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The 14 different species of finches in the galapagos islands originated from a single ancestral species. what is it about these
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<span>These islands have different ecologies and most are not connected to each other by landmass. Therefore, the organism adapt to each of the different ecologies on their islands. These populations were physically separated due to lack of connection to each other and would not breed randomly. They therefore formed different species by allopatric speciation.</span>
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2 years ago
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sveticcg [70]

Answer:

Climate changes, A loss of habitat

Explanation:

Carbon Dioxide warms the Earth, making more climate change

If the temperatures drop, creatures in cold regions will die <3

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Why would it be hard to find the ideal CO2 level if the light intensity were very low?
Zepler [3.9K]

It would be difficult to find the ideal CO2 level with a low light intensity because the plant will have a difficult time trying to survive.

6 0
2 years ago
1. Explain using diagram how monomers are arranged in Thermoplastic and Thermosettingplastics.​
Romashka [77]

Explanation:

In thermoplastics, the arrangement of monomeric units is linear and in thermosetting plastics, it is cross-linked. Thermoplastics are usually soft, weak and less brittle, so can get soften on heating and stiffen on cooling. They can be melted, remoulded and recycled easily.

7 0
2 years ago
PLEASE HELP!!!
andriy [413]

According to natural selection process, the trend that will occur is that the number of organisms with harmful characteristics will decrease  while organisms with neutral or beneficial traits will increase in the plant population

<h3>What is natural selection?</h3>

Natural selection is the process by which organisms with favorable features and characteristics that enable them to adapt to their environment survive while those with unfavorable traits die off.

In a changing environment, it will be observed that the organisms with the most favorable traits will be the most dominant in the environment.

Therefore, for the Year 5 and Year 10, the most likely trend that will occur is that the organisms with harmful characteristics will be decreasing in the plant population while organisms with neutral or beneficial traits will likely be increasing in number.

Learn more about natural selection at: brainly.com/question/14385908

#SPJ1

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2 years ago
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