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777dan777 [17]
3 years ago
7

What does the cell wall do

Biology
2 answers:
lana66690 [7]3 years ago
4 0
It protects the cell and all the parts of the cell.It also helps prevent germs to get inside the nucleus
snow_lady [41]3 years ago
3 0
Protects the cell and provides structure
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If one parent has type B blood and the other type O blood what percentage of the child's blood will be B, O, A?
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Answer:

If one parent has blood type B and the other parent has blood type O, the percentage of the blood type of the offspring will depend on the genotype of the parent with blood type B.

Explanation:

Knowing the blood type of the offspring of the cross between parents with blood type B and O raises two possible scenarios, depending on whether the genotype of the parent (type B) is B|B or B|O.

Blood type is an inherited trait and is characterized by the presence or absence of surface antigens A and B in the red blood cells, which genetically behave as co-dominant traits.

  • <em>Blood type A</em><em> contains antigen A and its genotype can be A|A or A|O. </em>
  • <em>Blood type B </em><em>contains the B antigen, whose genotype can be B|B or B|O. </em>
  • <em>Blood type AB </em><em>contains both antigens and a single A|B genotypic expression. </em>
  • <em>Type O blood lacks surface antigens, and is the recessive trait so its genotype is O|O.</em>

<u>Scenario 1: Parent with genotype B|B.</u>

In this case, knowing that the genotype for type O is always O|O, all offspring would be of blood type B, genotype B|O.

B|B X O|O

Alleles    B    B

O          B|O B|O

O          B|O B|O

100% of the offspring would be of blood type B.

<u>Scenario 2: Parent with genotype B|O.</u>

In this case, 50% of the offspring will have blood type O and 50% B.

B|O X O|O

Alleles    B    O

O           B|O O|O

O           B|O O|O

In no scenario would offspring of blood type A be possible.

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Thus, on the basis of the information, only the statement that is, the shirt is soft and red comes under qualitative observation, while all the other things can be determined or measured thus comes under quantitative observation.  

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