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denis-greek [22]
3 years ago
9

Please Help :)

Biology
2 answers:
WINSTONCH [101]3 years ago
8 0

Answer:

purifying crude oil metals by heating them to liquid state

kati45 [8]3 years ago
3 0

Answer:i think it is C

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In fruit flies, one genotype for red eyes is written XRXR. The R stands for the dominant allele for red eyes. What does the X st
Reil [10]

Answer:

The correct answer is : the female chromosome

Explanation:

  • According to the question, it is mentioned that R is a dominant allele, responsible for the red eyes.
  • RR is a genotype for Red eyes.
  • A fruitfly has a diploid genotype which means each trait is represented by a pair of chromosomes.
  • In the above question, the dominant red eye colour trait is represented by the pair of chromosomes RR.
  • Therefore, XX must represent another trait.
  • By convention, a pair of X chromosomes (XX) represent a female and a combination of X and Y chromosomes (XY) represents a male.
  • Given XX genotype represent a female fruitfly chromosome.

6 0
3 years ago
What is the impact of our energy usage on the earth system ?
bogdanovich [222]
All energy sources have some impact on our environment. Fossil fuels—coal, oil, and natural gas—do substantially more harm than renewable energy sources by most measures, including air and water pollution, damage to public health, wildlife and habitat loss, water use, land use, and global warming emissions.
3 0
3 years ago
Organelles called plastids are found in
JulijaS [17]

Answer:

fHay dos tipos de plastos claramented diferenciados, según la estructura de sus membranas: los plastos primarios, que se encuentran en la mayoría de las plantas y algas; y plastos secundarios, más complejos, que se encuentran en el plancton

Explanation:

8 0
3 years ago
The greatest influence on a stable ecosystem in nature is;
salantis [7]
I think the answer is man
7 0
2 years ago
Read 2 more answers
Red -green color blindness is an x linked recessive disorder . Since normal vision is dominant, it is typically represented as x
Oduvanchick [21]

Answer:

          x         y

x8     x8x     x8y

x8      x8x     x8y

The results of the punnet square show that:

They will not have a son who will be colour blind.

They will not have a daughter who is colour blind.

All the daughters born will be carriers of red- green colour blindness.

The genotype of the two parents will be:

Genotype of mother: x8,x8

Genotype of father: x, Y

5 0
3 years ago
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