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11111nata11111 [884]
3 years ago
9

Was the scientist who developed the inactivated polio vaccine.

Biology
1 answer:
Naddika [18.5K]3 years ago
4 0

Answer:

Jonas Salk

Explanation:

  • The vaccine that is used for the prevention of polio caused due to the infection caused by the poliovirus is known as polio vaccines. 
  • The first successful polio vaccine was developed by Jonas Salk in the year 1952 and the success of the field trials was announced in the year 1955. 
  • This vaccine became famous as the Salk polio vaccine which is 60-70% effective against PV1 and 90% against PV2 and PV3. 
  • This vaccine was an inactivated vaccine. 
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Answer:

C. His mother carried at least one allele for that trait

Explanation:

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-A sex-linked trait is a trait that is controlled by a gene or an allele located on the sex chromosome.

-X-linked traits are maternally inherited from carrier mothers or from an affected father. Each son born to a carrier mother has a 50% probability of inheriting the X-chromosome carrying the mutant allele.

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Answer:

66.7m/s²

Explanation:

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To find the acceleration we use this formula

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a=66.666666

since it is acceleration we use the symbol m/s² after approximating to 1 decimal place

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What is the benefit of a scientific name vs. a common name?
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A scientific name is used around the world so there will be no confusion identifying the organism but common names vary from place to place.

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