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Llana [10]
3 years ago
11

Which of the following is a necessary step in the process of speciation?

Biology
1 answer:
Olenka [21]3 years ago
4 0
Answer: Genetic Mutation
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In the lab, Nachman examined dark mice from two different populations living hundreds of miles apart. The mice looked nearly ide
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c. there are not less than two different genes involved that created the dark mouse fur

d. two independent mutations in two separate genes can result in the same phenotype

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_______ is a unicellular infectious agent. Fungi Virus Parasite Bacteria.
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D it allows all substances to enter & exit the cell.
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List frog, bat, lobe- finned fish, and alligator in order of their relationship tp humans
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3 years ago
Which of the following correctly describes Metaphase?
natima [27]

During the metaphase, chromosomes are taken to the equatorial plane, were they randomly line up. Option B. Mitotic spindle attaches to the chromosome's centromeres and lines them up in the middle of the cell.

<h3>What is the metaphase?</h3>

Metaphase is one of the cell division stages that follows the prophase and precedes the anaphase.

During this phase, chromosomes are taken toward the center of the cell by the spindle apparatus. Once in the equatorial plane, chromosomes randomly line up.

Once aligned, each chromatid joins with a microtubule of opposites poles and gets ready to go through the anaphase. Sister chromatids are held together until they reach the Anaphase.

Since chromosomes in this stage are well defined and can be observed in detail under the microscope, they are used to create karyotypes and identify chromosomal abnormalities.

These chromosomes have the typical X shape.

Among the options, the one that correctly describes the metaphase is Option is B. Mitotic spindle attaches to the chromosome's centromeres and lines them up in the middle of the cell.

You can learn more about the metaphase at

brainly.com/question/16992029

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