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Leno4ka [110]
3 years ago
6

Will makr first answewr brainalist

Biology
1 answer:
Pachacha [2.7K]3 years ago
4 0

During telophase of Mitosis nuclear membranes of two separated nuclei are formed around each set of chromosomes.  

<u>Explanation</u>:  

Mitosis is the process of cell division part of the cell cycle. Mitosis is classified into four phases which are prophase, metaphase, anaphase and telophase. In prophase the nucleolus disappears, chromosomes start to contents and the mitotic spindle starts to appear and bind to the kinetochore of centromere of the chromosomes. In metaphase nuclear envelope breaks down and the chromosomes becomes fully condensed and organized on the metaphase plate in the middle of the nucleus, during anaphase chromosomes are pulled back to their centromeres with the help of spindle fibers and during telophase the chromosomes starts to decondense, the nucleous reappears and nuclear membrane reforms and spindle starts to disappear.

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The genetic material housed inside the cell nucleus is packaged into these organized bundles.
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the genetic material housed inside the cell nucleus is packaged in into these organized bundles.

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Si se aparean especies diferentes como por ejemplo el cruce entre caballos y burros; podemos afirmar que si llegan a tener desce
White raven [17]

Answer:

El híbrido va a ser esteril.

Explanation:

En la cruza entre dos especies distintas, cuando ocurre, existen distintos mecanismos de aislamiento reproductivo, que son barreras que inhiben o interrumpen el flujo génico entre especies distintas. Es decir que no habrá exito reproductivo de estas cruzas. Se trata de caracteres biológicos propios de cada especie que previenen la reproducción con otras especies.

Estos mecanismos de aislamiento reproductivo pueden ser precigóticos o postcigóticos.  

  1.Pre-copulatorios o pre-cigóticos:

  • Ecológico o por aislamiento de hábitat;
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  • Sexual o etológico;
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  • Por incompatibilidad de gametas.  

  2. Post-copulatorios o cigóticos:

  • Inviabilidad del híbrido;
  • Esterilidad del híbrido;
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La mula es producto de la cruza entre dos especies distintas: una yegua (Equus ferus caballus) y un burro (Equus africanus asinus). Es un ejemplo de la accion de mecanismo poscigótico, en el cual se forma un híbrido viable esteril. Este ejemplar puede nacer, crecer y sobrevivir, pero que no puede producir gametas funcionales, por lo cual no puede reproducirse.  

7 0
3 years ago
¿El olor, la textura, el sabor, el tamaño de un objeto son materiales?
Mrac [35]

Answer:

no

Explanation:

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What’s the element compound,or ion for 14Fe
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14fe it is an element
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PLEASE HELP ME OUT!!! IVE BEEN STUCK ON THIS QUESTION FOR AN HOUR.
Alenkasestr [34]

Answer:

2, 1, 4, 6, 7, 6, 8, 3

Explanation:

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