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s2008m [1.1K]
3 years ago
7

Explain the relationship between crossing over and genetic variation

Biology
1 answer:
7nadin3 [17]3 years ago
8 0

Answer:

When homologous chromosomes form pairs during prophase I of meiosis I, crossing-over can occur. Crossing-over is the exchange of genetic material between homologous chromosomes. It results in new combinations of genes on each chromosome. It is obviously another source of genetic variation in offspring.

Hope this helps you. Do mark me as brainliest.

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What trends do you see in theorganisms of the ecosystem ifyou decrease CO2?
Maru [420]

Question:

Solution (explanation):

Within an ecosystem, we can find photosynthetic organisms such as plants. The general chemical reaction for photosynthesis is 6 carbon dioxide molecules and 6 water molecules, with the addition of solar energy. This produces 1 glucose molecule and 6 oxygen molecules. Therefore, if one of the reactants of the photosynthetic reaction, namely carbon dioxide, decreases, the amount of glucose (energy storage molecules) will decrease. Remember that energy storage molecules include glucose, starch, and fat.

Answer: we can conclude that the correct answer is:

Decrease in energy storage molecules.

5 0
1 year ago
What is the name of the approach to biological research that integrates data from multiple levels of complexity
Tanzania [10]

Answer:

systems (system biology)

Explanation:

Systems biology can be defined as a methodology whose interest is to understand the high scale levels of complexity in biology (i.e. organism level, tissue level, cell function, etc) by integrating information/data from different sources, and thus examine the interaction between biological components. This approach is contrary to reductionism, which is another approach used in biology research. Therefore, systems biology is a holistic approach aimed at modeling complex biology systems by applying computational and mathematical methods, enabling to understand biological systems.

8 0
3 years ago
What is the difference between Gene Pool, Genetic Drift and Gene Flow?
exis [7]

Answer:

Genetic drift is referred to the changes in allele frequency in a gene pool. Gene flow is the process of alleles moving from one population to another.

Explanation:

3 0
3 years ago
Ambrose Bierce belonged to which literary movement?
Mekhanik [1.2K]
I think the correct answer from the choices listed above is option B. Ambrose Bierce belonged to the literary movement called realism. His genre is satire. He is famous of his works titled "Chickamauga", "An Occurrence at Owl Creek Bridge", "The Death of Halpin Frayser" and "The Moonlit Road".
6 0
3 years ago
Read 2 more answers
How does DNA finger printing work
grandymaker [24]

Answer and Explanation with an example:

DNA fingerprinting uses chemicals to separate strands of DNA and reveal the unique parts of your genome. The results show up as a pattern of stripes that can be matched against other samples.

How is this helpful in life?

This helps in crime like for example if there is an fingerprint on something from the theft they will know how the fingerprint look like and know easliy from there thinking

I hope this helps and brainlest please

4 0
3 years ago
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