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sveta [45]
3 years ago
10

A person with sickle cell trait has ___ mutated copies of the hemoglobin gene, a person with sickle cell disease has ___ mutated

copies.
Biology
1 answer:
Margarita [4]3 years ago
8 0

Answer:

A person with sickle cell trait has one mutated copy of the hemoglobin gene, a person with sickle cell disease has two mutated copies.

Explanation:

Sickle cell disease also known as sickle cell anemia is caused by mutation of the beta chain of hemoglobin, the gene for which lies in 11th number chromosome. If a person possess only one mutated gene, then the disease is not expressed in the person. The person then only possess the trait for sickle cell anemia, that is, there is a chance of sickle cell disease in the offspring, but the sickle cell trait are usually asymptomatic or live like normal individual. While the person possessing two mutated gene is said to be suffering from sickle cell anemia and is found to possess S hemoglobin in the red blood cells which is abnormal hemoglobin without any ability to carry oxygen.

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The information contained within a gene is not directly copied into which of the following chemical forms?
pshichka [43]

The information contained within the gene is copied into a new molecule by the process of transcription. Transcription is a process by which the information from one strand of DNA is copied into a new molecule called messenger RNA or mRNA. Even though mRNA contains the same information it is not the exact copy of the DNA segment. Protein molecules include DNA and RNA and the genetic information is copied into the protein molecules by the process of transcription and translation. Transcription is a process by which the information coded in DNA is transferred to RNA, where as translation is a process where mRNA provides information for the Ribosome the type of amino acid to link with. As amino acids are made up of proteins there will be transfer of information contained in a gene to be transferred to protein. Whereas the function of tRNA is to carry amino acids to ribosome during the transcription hence it does not carry any genetic information where as rRNA combines with the set of proteins to form ribosomes. These rRNA molecule moves along with the mRNA molecule but does not carry any genetic information.

Therefore the answer is d  

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3 years ago
A town develops green space on top of an apartment building. This provides a relaxing place for the renters while also allowing
Naddika [18.5K]

1.environmental health, and economic

Explanation:

The green space on top of the apartment provides an environmental, health and economic benefit.

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learn more:

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3 0
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anygoal [31]

Answer:

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Explanation:

Cellulose, for example, is a major component of plant cell walls, which are rigid structures that enclose the cells (and help make lettuce and other veggies crunchy). Wood and paper are mostly made of cellulose, and cellulose itself is made up of unbranched chains of glucose monomers linked by 1 4 glycosidic bonds

hope it will help you

3 0
2 years ago
Can you help me please it’s science and I will give you a Brainly list
azamat

Answer:

d

Explanation:

my grandpa taught me

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Answer:

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