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pochemuha
3 years ago
15

How does a cell avoid dna overload

Biology
2 answers:
lora16 [44]3 years ago
8 0

Answer:

the anwer is  cell divides

Explanation:

seraphim [82]3 years ago
8 0

Answer:

Cells divide to prevent DNA overload.

Explanation:

Have a good day and stay safe!

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If you lived at point B in the diagram below, what time of day would it be?
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Record the stages of meiosis in eukaryotic cells realizing that there are two cell divisions involved, each having their particu
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1.1
Meiosis I
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1.2 Meiosis II
The second division: separates sister chromatids (these chromatids may not be identical due to crossing over in prophase I)

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    Anaphase-II: Spindle fibers contract and split the sister chromatids, and moves them to opposite poles of the cell.
    Telophase-II: Chromosomes decondense,cells divides again to form another 2 haploid daughter cells. Final: 4 new cells.


2. The differences:
Mitosis:
- has 1 division per cycle
- one cell produces 2 new cells
- the genetic information in the mother-cell and the daughter-cells are the same. ( the number of chromosomes is also the same)
- it occurs in somatic cells
Meiosis:
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- the new cells have different genetic information. mixes the genetic material from the parent cells
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3. Prokaryotic organisms don't divide through mitosis, they use a different process called binary fission. Only eukaryotic organisms, or those whose cells have a defined nuclei, undergo mitosis. Bacteria, for example, are prokaryotic organisms that use binary fission.

4.
 It can't occur. Cross over is the exchange of DNA between homologous chromosomes.  That will result in recombinant chromosomes during sexual reproduction. It can't occur on different chromosomes because they don't code for the same genes.

5. There are a lot of different theories about that, but it's mostly believed that meiosis must evolve before sexual reproduction. That's because The cell replicates their information first and then divides. Plus the cell does that even though it didn't recombine DNA with another organism (sexual reproduction).

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