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Lisa [10]
4 years ago
6

Describe the events that occur during mitosis

Biology
2 answers:
Digiron [165]4 years ago
8 0

During prophase the spindle microtubules grow and extend from each pole to the equator. Also chromosomes super coil and become short and bulky and the nuclear envelope breaks down.

OlgaM077 [116]4 years ago
8 0
<h2>The events that occur during mitosis are</h2>

• Prophase.  

• Prometaphase. ...

• Metaphase. ...

• Anaphase. ...

• Telophase. ...

• Cytokinesis.

<h2>Explanation:</h2>

During prophase, the complex of DNA and proteins contained in the nucleus, known as chromatin, condenses.

During prometaphase, the physical barrier that encloses the nucleus, called the nuclear envelope, breaks down.

During metaphase, the cell's chromosomes align themselves in the middle of the cell through a type of cellular "tug of war."

During anaphase, a complete set of chromosomes has assembled at each pole of the cell.

During telophase the chromatids or chromosomes move to opposite ends of the cell and two nuclei are formed.

Cytokinesis occurs in anaphase in animal cells and prophase in plant cells, and finishes in telophase in both, to form the two daughter cells produced by mitosis.  


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See the answer below

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Answer:

B) Any child born of parents who are able to taste PTC will inherit the ability to taste PTC.

Explanation:

The ability to taste the chemical PTC (phenylthiocarbamide) contain some people who can and some people who cannot taste PTC. Despite the fact, this trait is often considered a simple Mendelian trait, i.e.one gene-two alleles.(a simple genetic trait governed by a pair of alleles).The reason why this trait has been kept going in the population is undetermined but polymorphism may influence food selection or nutritional status.

If we have two parents that are heterozygous for this PTC traits, if the cross, they will have the following types of offspring.

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T                   TT                   Tt

t                     Tt                    tt

From the punnet square, we have the following offspring

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2 Tt ( heterozygous PTC taster)

tt (recessive Non- taster)

From, the foregoing, we can clearly see that the incorrect statement about the  inheritance of the ability to taste the chemical PTC (phenylthiocarbamide) is Any child born of parents who are able to taste PTC will inherit the ability to taste PTC. This is because from the cross, it is not all children that inherit the ability to taste PTC.

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