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Katen [24]
2 years ago
13

Describe how a gene can be amplified using PCR.

Biology
1 answer:
timama [110]2 years ago
5 0

Answer:

How does PCR work? To amplify a segment of DNA using PCR, the sample is first heated so the DNA denatures, or separates into two pieces of single-stranded DNA. Next, an enzyme called "Taq polymerase" synthesizes - builds - two new strands of DNA, using the original strands as templates.

Explanation:

hope this helps

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Plants grow taller as a result of which of the following? Adaptative growth Primary growth Secondary growth
Rasek [7]
The correct answer is primary growth

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3 years ago
A molecule of messenger RNA (mRNA) has just been synthesized in the nucleus of a human cell.
Murljashka [212]

The mRNA will attach to the small ribosomal unit and then the large ribosomal unit. Then the mRNA will be decoded with its codon's tRNA. ... The tRNA will come in at the A site and a peptide bond will form between amino acids at the A and P sites.

6 0
2 years ago
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Which traits are polygenic traits? Check all that apply.
Mashutka [201]

Height is a polygenic trait, controlled by at least three genes with six alleles. If you are dominant for all of the alleles for height, then you will be very tall. There is also a wide range of skin color across people. Skin color is also a polygenic trait, as are hair and eye color.

All the above:

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4 0
3 years ago
If a man and a woman, each with sickle-cell trait, were planning to marry, what information could you provide them regarding the
kiruha [24]

Answer:

I'll inform them that the possibility of all their future children/offspring being phenotypically sickle-celled is very high.

Explanation:

Sickle cell is an inherited disease condition in which the red blood cells of the blood loses its shape and hence, dies or gets broken down. It has to do with the blood genotype of an individual. There are three major types of blood genotypes in humans namely: AA, AS, and SS. SS is the recessive genotype that codes for the sickle cell trait.

Hence, a human with the sickle cell trait has a genotype- SS. Therefore, according to this question, a man and a woman, each with sickle-cell trait (SS), were planning to marry, This will mean that both the man and the woman will always produce a gamete with S allele, which will combine to form an SS offspring. In other words, all of the offsprings of this man and woman will be sickle-celled.

7 0
2 years ago
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Answer:

With satellites

Explanation:

4 0
3 years ago
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