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lana [24]
3 years ago
7

How does a vaccination help to prevent a disease? it reduces the severity of symptoms to a disease. it generates a population of

memory cells that speed up response to an actual infection. it generates a population of plasma cells that increase the concentration of antibody in the bloodstream. it establishes defenses that prevent a pathogen from returning to the body?
Biology
1 answer:
Aleks [24]3 years ago
3 0
<span>Answer:
             Vaccine generates a population of plasma cells that increase the concentration of antibody in the bloodstream.
Explanation:
             Vaccines are inactive or non functional infectious agents enter into the body in order to generate antibody against such agents In future if virus or bacteria that is resemble to the structure of already injected agents attack on human body. The immune system get alert and antibody which are already produced attack on them and prevent them from causing disease.</span>
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Use the words 'homozygous', 'heterozygous, dominant
Dafna1 [17]

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1) Aa refers to the heterozygous of the genes. In this gene, both allele are different from one another.

2) AA is a gene which is homozygous in nature. Homozygous means that both allele are the same. Capital letters i. e. AA is used for the trait that is dominant.

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cestrela7 [59]

Answer:

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6 0
3 years ago
The picture shows the dihybrid cross of 2 guinea pigs.
Pepsi [2]

Corrected Question:

The picture shows the dihybrid cross of 2 guinea pigs.

1. What is the genotype of the parents?

2. What is the phenotype of the parents?

3. What is the genotype of their baby guinea pig (in the empty box)?

a. BbRr - black rough fur

b. Bbrr - black smooth fur

c. bbRr- white rough fur

d. bbrr - white smooth fur

Answer:

Genotype of parents is BbRr as seen in the cross.

Phenotype of the parents is black rough furred.

The genotype of the baby in the empty box is bbRR.

Option D

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

This representation of the genetic crossing is called as Punnet square, after the name of the scientist who discovered this process to denote the probability of finding the required genotype in a statistical way.

Here both the parents are heterozygous black and rough furred, with the genotype of BbRr.

So the gametes from the parents are = BR, Br, bR, and br from both the parents which are represented in the Punnet square.

Thus we can get 16 types of genetic combinations among the offsprings.

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3 years ago
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