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viva [34]
3 years ago
11

Which trait is dominant between a heterozygous and a homozygous?

Biology
1 answer:
Olenka [21]3 years ago
6 0
Homozygous is when two genes are either both dominant or both recessive. Example - DD dd
And heterozygous is when it’s one dominant and one recessive. Example - Dd
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You read an article about vegetables grown in the United States. According to the article’s author, Americans need to take
Scorpion4ik [409]

Answer: Option D.

It is an evidence -based report.

Explanation:

An evidence based report is a report that is written based on scientific evidence to draw out conclusion or arguments for guidance and decision making for the people.

The article that was written, was base on some scientific proof that vegetables lack some nutrients. The vegetables have been analyzed and the constituents have been known. Conclusion was arrived at the Americans need to take dietary supplements to meet up with the daily nutrients requirements while taking vegetables.

4 0
3 years ago
mr. and mrs. zuhl were professional fossil collectors why my not they have collected precambrian fossils
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The precambrian era makes up about 90% of the earths history, but there was little to no living organisms at the time other than microscopic ones. The first eukaryotes were found in the cambrian period after the precambrian period, not only that but at the end of the precambrian era in the Proterozoic era there was a mass extinction of about 70-80% of all living organisms

5 0
2 years ago
Waves form at the surface of the water and travel outward from the point of the disturbance.
Alexandra [31]
B) wavelength
Notice how Z goes from one wave's crest (top) to another's crest. Wavelength can also be measured from a wave's trough (bottom) to the next one's trough.
8 0
3 years ago
Iron reacts with atmospheric oxygen to form iron oxide or ferric oxide. Look at the chemical equation for this reaction: Fe + O2
Ber [7]

ANSWER

The correct answer is A

<u>EXPLANATION</u>

From the equation Fe + O_2 \rightarrow Fe_2O_3


<u>L.H.S.</u>               


Fe = 1                        

O  =2      

                 

<u> R.H.S</u>

Fe =2


O  =3

Now, let try to balance the oxygen atoms first,

To do this, we know the Least Common Multiples of 2 and 3 is 6


To get 6 atoms of oxygen at L.H.S  multiply 2 by 3 and on the R.H.S, multiply 3 by 2



L.H.S.                        

O=2\times3=6      


R.H.S

O=3\times2=6  


This means that, 3 should be in front of O_2 at the L.H.S and 2 should come before Fe_2O_3 in the R.H.S of the equation


Now, we have


L.H.S.                        


Fe = 1                          

O  =  6                        

<u>R.H.S</u>

Fe =4

O  =6

The equation is still not balanced since Fe is not balance

 

The Least Common Multiple of  1 and 4 is 4

Which means that we need to multiply 1 by 4 at the L.H.S and 4 by 1 at the R.H.S



L.H.S.                        

Fe=1\times4=4      


R.H.S

Fe=4\times1=4  


We now, have



<u>L.H.S.   </u>                    

Fe= 4                          

O=6                        


<u>R.H.S</u>

Fe =4

O=6

Hence the balanced equation is

4Fe +3O_2\rightarrow 2Fe_2O_3




5 0
3 years ago
Read 2 more answers
What types of cells are most involved in the cell-mediated response?.
Anon25 [30]

Explanation:

Cell-mediated immunity is primarily driven by mature T cells, macrophages, and the release of cytokines in response to an antigen. T cells involved in cell-mediated immunity rely on antigen-presenting cells that contain membrane-bound MHC class I proteins in order to recognize intracellular target antigens.

7 0
1 year ago
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