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HACTEHA [7]
3 years ago
9

Were power plants necessary to help people use electricity?

Biology
2 answers:
Nady [450]3 years ago
8 0
In today's world, power plants are necessary, over 400 operating today, however power plants do have cons. Such as

-Waste created from it
-Radiation poisoning
-Meltdown (if power plant failed to maintain safe radiation levels)
-Can affect the environment around it
Llana [10]3 years ago
4 0
The answer to this question is yes
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Eye pigment in a particular strain of fly is determined by two genes. An autosomal gene that controls the color of the pigments
Semenov [28]

RrXtXt×RrXTY is representing the cross between the white eyed female and red eyed male.

Option D

<h3><u>Explanation:</u></h3>

The genes that are discussed here both are completely dominant over their recessive alleles. In the autosome, the dominant R gene is responsible for red eye and recessive r gene is responsible for sepia eye. But in allosome, the dominant T gene allows the eye colour to be expressed and the recessive t gene doesn't allow eye colour to be expressed and makes it white.

As the female do have 2 X chromosomes and the female is white eyed, then both the chromosomes of female have t gene.

As the male is red eyed and have one X chromosome, so the male must have atleast one R gene in autosome to make the eye colour red and must have T gene in his X chromosome to make it appear in phenotype.

So the most possible cross that is given here is RrXtXt×RrXTY.

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A _____ is a place that is strictly controlled in order to protect a species from extinction.
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The crust.

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