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ratelena [41]
3 years ago
15

Explain the difference between each of the following substitution mutations:

Biology
1 answer:
pentagon [3]3 years ago
5 0

Answer: silent mutation: a nucleotide base in a codon is replaced with a different base BUT the resulting amino acid isn’t affected.

Missense mutation: similar to a silent mutation, the only difference is that the switch of the nucleotide DOES result in a DIFFERENT amino acid

Nonsense mutation: a nucleotide base is changed, but that change results in a premature stop of translation

(Remember that after transcription, you are left with a strand of mRNA that Is then translated into a protein. The mRNA is read in increments of three nucleotide bases (A,U,G, or C) which is called a codon. That codon makes a single amino acid, and a strand of amino acids makes a protein)

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The inhabitants of the planet Mendel have three alleles for hair color: red (R), white (W) and blue (b). The R and W alleles exh
Alex_Xolod [135]

Answer:

4 RW pink hair color

Explanation:

Let the allele for red hair color = R

Let the allele for white hair color = W

Let the allele for blue hair color = b

Since R and W exhibit co dominance it means none of both traits have the tendency or capability to masked the other .

As such individual with RW genotype = PInk hair color

Allele b is recessive and only individuals with the genotype bb exhibit the blue allele  

Now; if a cross occurs between a red-haired Mendelian and a white-haired Mendelian

i.e

RR   × WW

we have

           R           R

W         RW       RW

W        RW         RW

So we have the following offspring :

4 RW = 4 pink

So theoretically , the possible phenotypes results to 4 RW pink hair color

5 0
3 years ago
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What is cardiac muscle?
kondor19780726 [428]
Cardiac muscle is one of the three major muscle types, the others being skeletal and smooth. Some cardiac muscle cells are auto-rhythmic. They contract even in the absence of neuronal innervation. Intercalated disks are located between cardiac muscle cells.
6 0
3 years ago
Need help and fast willing to give brainliest
ki77a [65]

Explanation:

i think u should ask Google first i don't think my answer is right i don't to mark u wrong please sorry

5 0
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If a wave has a wavelength of 0.1 nanometer, it must be a(n)
zaharov [31]
0.1 nanometer = 0.1 * 10^-9 meter = 10^-10 meter

Which you can see it's X-ray.

Glad to help you friend, not sure if you remember me or not :)

8 0
4 years ago
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Upon reaching puberty, the sex glands of a human being are activated. Which two hormones stimulate the sex glands?. . . . A.Foll
Sauron [17]
The answer is option A.



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hormones preparing the body for pregnancy, as well as playing an important role in ovulation.
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4 years ago
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