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Marizza181 [45]
3 years ago
8

The mutation resulting in sickle cell disease changes one base pair of dna so that a codon now codes for a different amino acid,

making it an example of a ________. the mutation resulting in sickle cell disease changes one base pair of dna so that a codon now codes for a different amino acid, making it an example of a ________. missense mutation frameshift mutation nonsense mutation silent mutation
Biology
1 answer:
V125BC [204]3 years ago
4 0
<span>Missense mutation
</span>Mutation can be defined as the permanent alteration in the nucleotide sequence of the genome of a virus, organisms or other genetic materials. However, a change in single nucleotide that result to a codon that code for different amino acid can be refers to as Missense mutation. 
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If a strand of DNA has the nitrogen base sequence, GCTAGATGCG, what will be
pishuonlain [190]

Answer:

CGATCTACGC

Explanation:

8 0
2 years ago
Which mutations is most likely to cause a phenotypic change?
melomori [17]

The question is incomplete. The complete question is as follows:

Which of the following mutations is most likely to cause a phenotypic change?

A) a duplication of all or most introns

B) a large inversion whose ends are each in intergenic regions

C) a nucleotide substitution in an exon coding for a transmembrane domain

D) a single nucleotide deletion in an exon coding for an active site

E) a frameshift mutation one codon away from the 3' end of the nontemplate strand

Answer: D) a single nucleotide deletion in an exon coding for an active site

Explanation:

Deletion or insertion of a single nucleotide in an axon coding for an active site is called frameshift mutation.

The sequence of codons is read during translation, in order to synthesize a amino acids chain and form a protein from the nucleotide sequence. Frameshift mutations occur when the usual codon sequence is broken by the deletion or addition of one or more nucleotides. For example, if only one nucleotide is removed from the axon sequence during the RNA splicing process, then there will be a disrupted reading frame for all codons before and after the mutation. This may result in several incorrect amino acids being introduced into the protein. Disruption in protein sequence will cause phenotypic change.

Hence, the correct option is D) a single nucleotide deletion in an exon coding for an active site .

5 0
3 years ago
Using this chart what will the order of amino acids be in a polypeptide chain made from the mRNA sequence A-U-G-C-C-G-C-A-A
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I am pretty sure the answer is B
3 0
3 years ago
How do researchers prepare an intron-free copy of a eukaryotic gene for use in creating transgenic bacteria?
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The researchers prepare an intron-free copy of the eukaryotic gene for the use in creating the transgenic bacteria by using the reverse transcriptase to make the cDNA from the mature mRNA

The structure of the eukaryotic genes. Most of the eukaryotic genes are contain the segments of the coding sequences (exons) that interrupted by the noncoding sequences (introns). Both the exons and the introns are transcribed to yield a long and primary RNA transcript.

Eukaryotic DNA is the linear, compacted into the chromosomes by the histones, and has the telomeres at each end to protect from the deterioration. The Prokaryotes contain the circular DNA in addition to the smaller, transferable DNA plasmids. Eukaryotic cells contain the mitochondrial DNA in the addition to the nuclear DNA

To know more about eukaryotic gene visit:

brainly.com/question/28297163

#SPJ4                                                                    

3 0
2 years ago
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