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nataly862011 [7]
3 years ago
15

6. A skeptical attitude in science

Biology
1 answer:
marshall27 [118]3 years ago
5 0

A skeptical attitude in science means a new idea will only be accepted if it is backed by evidence.  

A skeptical attitude is based on critical thinking and opposes claims that lack verifiable evidence.  

 

Skepticism is part of the scientific method and it questions ideas based on scientific knowledge.

For example, an experimental result cannot be considered as proven until it shows a certain repeatability.  

In other words, scientific skepticism consists of doubting when the evidence is unsatisfactory since when something is probable or reasonable, it does not necessarily have to be true.  

Therefore, we can conclude that a skeptical attitude in science means the questioning of claims / ideas that lack sufficient evidence.  

Learn more skeptical attitude here: brainly.com/question/1843295

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Un jardinero cruzó dos plantas de flores rosadas, con la esperanza de obtener plantas con flores del mismo color. Su sorpresa fu
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Answer:

Este es un ejemplo de dominancia incompleta. Es una ocurrencia genética que ocurre cuando un gen dominante no expresa su manifestación completa en el alelo recesivo en un alelo dominante heterocigoto.

Por lo tanto, ambos rasgos se manifiestan, lo que resulta en la combinación de los dos alelos para los colores (blanco y rojo). Se dice que el alelo rojo dominante exhibe un dominio parcial sobre el alelo blanco recesivo, y esto da como resultado el alelo completamente rosado.

De acuerdo con la ley mendeliana, las dos flores rojas son heterocigóticas. Por lo tanto, las flores rojas heterocigóticas dominantes deben ser R. El alelo blanco es recesivo (rr) enmascarado por el rojo R,

Sin embargo, cuando se cruzan los dos alelos heterocigotos rojos:

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Esto ocurre porque el alelo rojo dominante no era total / completamente dominante en el alelo recesivo blanco en cada uno, lo que da como resultado un alelo rosa (el tercer fenotipo)

This is an example of incomplete dominance.It is a genetic occurrence  which occurs when a dominant gene does not express it full manifestation on the recessive allele in an heterozygote dominant allele.

Therefore,both traits are manifested which results in the blend of the two allele for colors(white and red).The dominant red allele is said to exhibit partial dominance over the recessive white allele.And this results in the entirely pink allele.

Based on Mendelian law the  two red flowers are  heterozygotes .Therefore, Red heterozygote dominant flowers should beRr.The white allele is recessive(rr) masked by the R-red,

However,when the two red heterozygote alleles are crossed:

The phenotypes are in the form of  

RR,(1) red  Rr Rr(2) pink  rr(1)White.

This occurs because, the dominant red allele was not fully/completely  dominant on the  white recessive allele in each,which results in pink allele(The third phenotype)

Explanation:

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