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gizmo_the_mogwai [7]
3 years ago
11

During which phase of meiosis do spindle fibers move the sister chromatids to the center of the cells?

Biology
2 answers:
mel-nik [20]3 years ago
7 0

ANSWER: Metaphase II

bezimeni [28]3 years ago
5 0

Answer:

The correct answer would be metaphase II.

Meiosis II is the second division of meiosis in which sister chromatids of chromosomes are separated.

It is also divided into four sub-stages:  

  • prophase II
  • metaphase II
  • anaphase II
  • telophase II

Metaphase II is the stage in which chromosomes are aligned at the central axis to form an imaginary line termed as the metaphase plate.

It is followed by anaphase II in which sister chromatids are separated and moved towards opposite poles.

Thus, the correct answer would be metaphase II.

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Why would a mutation in a somatic cell of a multicellular organism escape detection?
Mashcka [7]

When a somatic cell is mutated, none of the other cells in the organism mutate with it. Screenings usually detect mutations that are in numerous cells and not in just one. That is why a mutation in a somatic cell of a multicellular organism escape detection.

<h3>What are mutations?</h3>

A mutation in biology is an adjustment to the nucleic acid sequence of an organism's, virus's, or extrachromosomal DNA. DNA or RNA can be found in the viral genome. Errors in DNA replication, viral replication, mitosis, meiosis, or other types of DNA damage (such as pyrimidine dimers from exposure to ultraviolet radiation) can result in mutations.

These errors can then lead to error-prone repairs, particularly microhomology-mediated end joining, error-causing repairs, or errors during replication. Due to mobile genetic elements, mutations can also result from the insertion or deletion of DNA segment.

To learn more about mutations with the help of given link:

brainly.com/question/17031191

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1 year ago
Please help me with this problem I will mark as Brainly
zheka24 [161]

Answer:

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2 years ago
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How do lungs help cells in the body meet their needs?
nalin [4]
The answer is B. They bring oxygen from the air into the body.

The lungs don’t produce or release oxygen so it’s not A. or D. The lungs do not transform oxygen into carbon dioxide cause our bodies need oxygen not carbon dioxide so it’s not C. Hope this helps!
7 0
3 years ago
When you hear the term mutation, you usually think of change. But how do mutations influence traits that may be inherited?
lana [24]

Hereditary mutation - may be passed to another generation, occurs in gametes, variation that may enhance survival.

Somatic mutation - not passed from generation to generations, occurs in body cells.

Both- changes in DNA.

<h3><u>Explanation:</u></h3>

Mutations are defined as sudden changes in DNA that takes place by changing a particular nucleotide or a portion of DNA, or even a whole chromosome which has potential to change characters of an organism. Mutation was first proposed by Hugo de Vries who is also known as the Father of Mutation Theory.

Mutations can occur in any cell of body. It may occur in somatic cells, or in germ mother cells. But the mutations that occur in germ mother cells are actually the mutations that are carried forward by the gametes into next generations. Mutation in somatic cells get obliterated as the organism dies. And the Mutation in gamete cells are those mutations which are capable to cause variations in progenies which can led to better survival of the progenies.

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3 years ago
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A child is born with downsyndrome when did the mutation occur
Reil [10]
It occurred during meiosis.
just took the test, hope this helps:)
4 0
3 years ago
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