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babunello [35]
3 years ago
6

Why is correctly performing mitosis important and if there is a error what happens to one or both cells?

Biology
2 answers:
Drupady [299]3 years ago
6 0
If errors occur at any one stage, the cell can stop cell division from progressing
vovangra [49]3 years ago
5 0

Answer:

It is very important because mitosis is basically replicating your DNA to make more cells that are exact replicas of each other. This is essential because if they are not exact replicas your body's immune system might not recognize it and so it will attack its own body's cell.

There are certain checkpoints throughout mitosis to ensure that everything is going ok, but if we suppose the errors pass the checkpoint and the cell divides from one to two daughter cells. If there is a genetic defect, where one daughter cell has more and one daughter cell has less chromosomes, both will be affected by it. This is called Nondisjunction which is the result of failure of chromosomes to separate during mitosis. This leads to new cells with either extra or missing chromosomes; a condition called aneuploidy.

SO what happens, they might be killed by body's own immune system. There might be apoptosis, which is a form of programmed cell death that occurs in multicellular organisms

Explanation:

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Cytokinesis in animal cells involves: a) Alignment of the spindle along the equatorial plane. b) Formation of a cleavage furrow.
hjlf

Answer:

The correct answer will be options-B and D

Explanation:

Cytokinesis is the process of cell division which divides the cellular components along with the nuclear component. The cytokinesis takes place after the completion of M-phase which differs in both animal and plant cell.

In an animal cell, the cytokinesis begins by the formation of furrow which eventually pinches off to two cells.

The formation of the furrow is a complex process and requires the microtubules like an actin-myosin ring which gets established in which the actin filaments from the ring. The myosin filaments pull the actin filaments and then forms the ring.

Thus, options-B and D are the correct answer.

4 0
4 years ago
Complete el cuadro de Punnett que muestra un cruce entre un hombre que es heterocigoto para el tipo de sangre B y una mujer que
mylen [45]

Answer:

F1) 1/4 = 25% de la porgenie será AB, IAIB

     1/4 = 25% de la progenie será heterocigota para el tipo A, IAi

     1/4 = 25% de la progenie será heterocigota para el gruo B, IBi

     1/4 = 25% de la progenie será homocigota recesiva, ii

Explanation:

  • El gen I determina el tipo de sangre de una persona. Es un gen dialelico que muestra alelo dominante I y recesivo I.
  • En personas de tipo A, los alelos son IA dominante, i recesivo.
  • En personas de tipo B, los alelos son IB dominante, i recesivo
  • IA e IB son codomiantes entre si, lo que signofica que hay un tercer fenotypo IAIB, expresando ambos tipos de sangre juntos.  
  • El alelo i es recesivo siempre.

Genotipo A:

  • IAIA, Homocigota dominante
  • IAi, Heterocigota
  • ii homocigota recesivo

Genotipo B:

  • IBIB, Homocigota dominante
  • IBi, Heterocigota
  • ii homocigota recesivo

Genotipo AB:

  • IAIB, Homocigota dominante

Cruza: un hombre que es heterocigoto para el tipo de sangre B con una    

           mujer que es heterocigota para el tipo de sangre A

Parentales) IBi    x    IAi

Gametos)  IB    i      IA    i

Cuadro de Punnett)

                      IB          i

             IA    IAIB       IAi

               i      IBi          ii

F1) 1/4 = 25% de la porgenie será AB, IAIB

     1/4 = 25% de la progenie será heterocigota para el tipo A, IAi

     1/4 = 25% de la progenie será heterocigota para el gruo B, IBi

     1/4 = 25% de la progenie será homocigota recesiva, ii

7 0
4 years ago
Hominids that appeared 230,000 years ago who hunted, made fire, and wore clothes
Mnenie [13.5K]
Your answer will be NEANDERTHAL



hope it helps ^_^
6 0
4 years ago
Chemical weathering is most effective in what type of climate? A) a warm, arid climate B) a cold, arid climate C) a warm, moist
Fofino [41]

<em>Chemical weathering is most effective in;</em>

C) A warm, moist climate

<u>Chemical processes need water, and occur more rapidly at higher temperature, so warm, damp climates are best.</u>

6 0
3 years ago
Read 2 more answers
What kind of relationship does a tapeworm have with the cow whose gut it is living in
Andreas93 [3]
This relationship would be called parasitism. Its when one individual lives on or in and feeds on a host organism.
6 0
3 years ago
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