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Alinara [238K]
3 years ago
14

What pattern of inheritance does this pedigree chart represent? (squares are male/circles are females

Biology
1 answer:
Alenkinab [10]3 years ago
7 0
X-linked recessive traits<span> </span>
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4. The stars at the edges of a galaxy are rotating around the galaxy’s center at the same speed as the stars in the middle of th
denpristay [2]

Answer:

Dark matter provides the gravity that allows the stars to rotate at the same speed.

Explanation:

The stars at the edges of a galaxy are rotating around the galaxy’s center at the same speed as the stars in the middle of the galaxy. How does this provide evidence of dark matter?

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Dark matter emits the light that astronomers need to see the orbital speeds of the stars.

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Dark matter provides the gravity that allows the stars to rotate at the same speed.

<u><em>Please don't use these answers to cheat they are for help.</em></u>

6 0
2 years ago
4 pts
Nutka1998 [239]

The polio vaccine works as :

It triggers the immune system to produce antibodies to fight the disease causing agent.

Option 1 is the correct answer.

Explanation:

Polio vaccine is attenuated disease causing virus which helps in the production of antibodies to fight the disease. The immunity for polio gets develop in the individual given polio vaccines.

Jonas Salk discovered the the vaccine for polio by using inactivated polio causing virus.

The polio vaccine produces antibodies in the blood when interaction with polio virus is there.

The paralysis of the legs can be prevented as polio virus do not reach the nervous system and spinal cord of the individual.

There are two types of polio vaccines given across the globe:

oral polio vaccine and inactivated polio vaccine (via injection)

4 0
3 years ago
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