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kap26 [50]
3 years ago
5

What is always true of scientific practices a. They prove a hypothesis to be correct b. They involve steps performed in the same

order c. They seek to produce verifiable data d. They lead to the same interpretation
Biology
1 answer:
babymother [125]3 years ago
3 0

Answer:

C. They seek to produce verifiable data.

Explanation:

  • The goal of scientific research is to produce scientific knowledge.
  • The process that scientists follow to generate this scientific knowledge is called the scientific method.
  • The scientific method involves:
  • Making an observation regarding natural phenomena.
  • Formulating a hypothesis that offers a potential explanation for the phenomena.
  • The hypothesis is then tried and tested through experimentation.
  • A substantiated and unfalsified hypothesis turns into a theory.
  • A theory is universal, substantiated and supported by a large body of evidence. One of the major characteristics of a theory is its reproducibility which means that theory produces verifiable data that can be used to reproduce same or similar results.
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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
Why isnt interphase part of mitosis
nexus9112 [7]
Interphase isn't part of mitosis because the cell doesn't divide in interphase.
8 0
3 years ago
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the solution inside a plant cell is approximately a 1% saline solution. in a 25% nacl solution the cytoplasm of a plant cell wil
mrs_skeptik [129]
<span>The cell has 1% concentration of the salt. The external environment is highly concentrated with 25% saline solution. This will lead to release of water outside the cell, by passive diffusion from a region of high conentration of solvent to lower concentration. Thus, the cell will shrink.</span>
3 0
3 years ago
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PLEASE HELP!!!
iris [78.8K]

Answer:

The probability of the parents having yellow-bellied off-spring is 100% because all the genotypes have a dominant Y.

It is possible for two yellow-bellied numbats to have a green bellied child if they are both hybrid Yy. The probability of the parents to have a green-bellied child is 25%

7 0
3 years ago
How does DNA in cells determine an organism? ’s complex traits?
hodyreva [135]
DNA<span> contains codes for proteins, which are necessary for the growth and functioning of an </span>organism<span>. </span>DNA<span> separates into long single strands that make up each part of an</span>organism<span>. </span>DNA<span> produces the energy an </span>organism<span> needs in order to grow. </span>DNA<span> folds into the nucleus of each of the </span>cells<span> of an </span>organism<span>.</span>
5 0
3 years ago
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