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Andru [333]
3 years ago
15

Mutation is an important mechanism for evolutionary change.

Biology
2 answers:
tiny-mole [99]3 years ago
7 0
Somatic mutation is the type of mutation among the choices given in the question that <span>contribute to evolution. The correct option among all the options that are given in the question is the second option or the penultimate option. I hope that this is the answer that has actually come to your desired help.</span>
ziro4ka [17]3 years ago
5 0

Answer:

The answer is Germinal mutation.

Explanation:

In Eukaryotes we find two types of cells, one is somatic cell or vegetative cell and the other is germ cell. If the mutation occurs in germ cell then it is inherited to the next generation because germ cells give rise to gametes which fuse with other gamete during mating. So only such mutations can cause evolutionary change. If the mutation occurs in somatic cell, its not inherited and thus plays no role in evolution. Mutations occurring in germ cells are called germ-line mutation or germinal mutation.

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Which of these statements best proves that oceans cause climate change by transferring water from one place to another?
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Cold ocean water flows from the north pole towards south and affects the climate locations near the Atlantic Ocean.
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3 years ago
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En un cruce entre peces naranjas y peces grises se obtiene una generación (f1) de 50% peces grises . Realice el cruce y explique
Ilya [14]

Answer:

Uno de los progenitores es heterocigoto para color naranja (Nn) y el otro parental es homocigoto recesivo para gris (nn). Al haber una cruza entre un homocigoto recesivo y un heterocigoto, la 50% de la progenie expresa color naranja (Nn), mientras que el otro 50% expresa color gris (nn).

Explanation:

<u>Datos disponibles:</u>

  • Cruce entre peces naranjas y peces grises
  • 50% de la F1 son peces grises
  • Naranja dominante sobre gris

Podemos nombrar el alelo dominante para color naranja <em>N</em>, y al alelo recesivo  para color gris <em>n</em>.

Para que en un cruce entre dos fenotipos distintos, el 50% de la primer camada exprese uno de estos fenotipos, entonces uno de los parentales debe ser heterocigoto, mientras que el otro parental debe ser homocigoto recesivo. De esta forma 50% de la primera generación expresara uno de los fenotipos, mientras que el otro 50% expresará el otro fenotipo.

Supongamos que uno de los parentales lleva el genotipo <em>Nn</em>, y el otro parental es <em>nn</em>.

Cruce:

Parental)      Nn    x     nn

Gametas)   N    n       n    n

Fenotipos) Naranja     Gris

Cuadro de Punnett)      N           n

                            n       Nn         nn

                            n       Nn         nn

F1)  2/4 = 1/2 = 50% de la progenie tendrá genotipo heterocigoto, Nn

     2/4 = 1/2 = 50% de la progenie tendrá genotipo homocigota recesivo,    

     nn

     50% de la progenie será color naranja (Nn)

     50% de la progenie será color gris (nn)

               

3 0
3 years ago
2. A chef pours a cup of rice into a pot of boiling water and observes the rice swirling around in the plot. Which of the follow
snow_lady [41]

Answer:

D

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Not C > Irrelevant to heat transfer

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Hello there, fellow human being!

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Hope this helped!
~Ruru
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The right answer is polarity.

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Many very common molecules are polar, such as sucrose, a common form of sugar. The sugars, in general, have many oxygen-hydrogen bonds (hydroxyl group -OH) and are generally very polar. Water is another example of a polar molecule, which allows polar molecules to be generally soluble in water. Two polar substances are very soluble between them as well as between two apolar molecules thanks to Van der Waals interactions.

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