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otez555 [7]
3 years ago
7

which type of econmony is most common in developing agricultural societies a.traditional b.market c.command d.mixed

Biology
2 answers:
lions [1.4K]3 years ago
7 0
D mixed I think sorry if I'm wrong
Alexus [3.1K]3 years ago
5 0
A. traditional, just did this test!!
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El corazón, aunque tiene cuatro cavidades, éstas no se comunican todas entre sí.
Alexus [3.1K]

La respuesta es C. Aurícula derecha – ventrículo derecho y aurícula izquierda – ventrículo izquierdo.

Explicación:

El corazón, órgano encargado de bombear sangre, se divide en dos secciones principales, cada una con una función. La primera es la cavidad derecha también llamada el corazón derecho, esta estructura incluye el ventrículo derecho y la aurícula derecha; además, esta sección recibe sangre no oxigenada y la bombea hacia los pulmones. Lo que es necesario para oxigenar la sangre. La segunda cavidad es la izquierda o corazón izquierdo que incluye el ventrículo y la aurícula izquierda; además, esta sección del corazón difiere de la cavidad derecha porque distribuye la sangre al resto del cuerpo.

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3 years ago
Red-green color blindness in humans is inherited as an X-linked recessive trait. Usually, heterozygous females are not colorblin
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Answer:

The mentioned characteristics of variability are witnessed because of the phenomenon known as X chromosome inactivation in heterozygous females. As females possess two X chromosomes, they actually should not possess any color blindness.  

The phenomenon of X-chromosome inactivation takes place in a random manner at the time of embryo development. During this only one X chromosome is inactivated. If the chromosome comprising the defective gene is inactivated, the individual will possess normal vision.  

If the chromosome comprising the usual gene gets inactivated than the individual will be color blind. In the given case of female, X inactivation took place in one eye. The inactivation of normal alleles has taken place and thus she possesses normal vision with one eye and is color blind in the other eye.  

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