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earnstyle [38]
3 years ago
10

Help please In your own words please Thank U

Biology
2 answers:
ELEN [110]3 years ago
7 0
Hello!
2.Allergens cause an allergic reaction. T<span>heir immune system produces antibodies, that are triggered depending on what substance it is.

3.Asthma is classified as an allergy because substances may trigger asthma and sometimes they do not, just like how certain substances cause the allergies.
Hope this helped!</span>
uranmaximum [27]3 years ago
7 0
A allergic reaction is something u are allergic to and u can’t have it so u react to it
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3. Could a man with type AB blood be the father of a child with type O blood? Explain your answer utilizing Punnett squares (see
svlad2 [7]

Answer:

No

Explanation:

Both A alleles and B alleles are dominant over the O alleles. This means that both parents must have an O allele present to even have a chance of having a child with type O blood. Lets say the mother has type O blood with the father having type AB blood. The possible combination would be: AO, BO, AO, BO. The punnett square should look like this:

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Montano1993 [528]
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How does El Nino affect global weather?
sdas [7]

El Niño affects global weather because precipitation increases in South and Central America and also decreases in Africa, Asia, and Australia (Option C).

<h3>What is 'El Niño'?</h3>

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