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Fantom [35]
3 years ago
8

You are asked to research what the eye is. You read that it contains nerves, muscles, and blood cells. Therefore, you decide tha

t it is what?
Biology
1 answer:
kiruha [24]3 years ago
3 0

Answer:

The eye is an organ.

Explanation:

Organs are structures made up from different tissues, such as nervous tissue, muscle tissue, epithelial tissue and blood tissue (a type of connective tissue). These tissues, with their own specialized cells, work organizedly to make the organ function as it's supposed to do.

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Checkpoints occur between the stages of the cell cycle. If a cell does not meet certain criteria at the end of a stage, it will
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The answer to this question is DNA replicates
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2 years ago
What does DNA contain A.the chromosomes that build proteins B.the coded blueprint C.the ability to translate RNA code D.the fact
inn [45]

D. The factors for heredity called alleles

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8 0
3 years ago
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
2 years ago
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