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taurus [48]
3 years ago
9

Which type of mutation stops the translation of the mRNA?

Biology
1 answer:
Gre4nikov [31]3 years ago
6 0

If a substitution changes the amino acid to a “stop,” it's called a NONSENSE mutation. frameshift, missense, silent or nonsense (hint: deletion or insertion will always be frameshift). Sickel cell anemia is the result of a type of mutation in the gene that codes for part of the hemoglobin molecule.

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Vast away of industries, like the other person said they said more
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2 years ago
Assume that an organism exists in which crossing over does not occur, but that all other processes associated with meiosis occur
Shtirlitz [24]

Answer and Explanation:

Greetings!

Let's~answer~your~question!

<em>Q1. Assume that an organism exists in which crossing over does not occur, but that all other processes associated with meiosis occur normally. Consider how the absence of crossing over would affect the outcome of meiosis.</em>

→ There~ would ~be~ less~ genetic ~variation~ among ~gametes.

Thus,~making~statement~``e"~correct!

Hope~this~helps!~Have~a~blessed~day~ahead!

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5 0
3 years ago
In humans, Rh-positive individuals have the Rh antigen on their red blood cells, while Rh-negative individuals do not. If the Rh
bixtya [17]

Answer: 60%

Explanation:

In population genetics, the Hardy-Weinberg Principle states that the genetic composition of a population remains in equilibrium as long as no natural selection or other factors are active and no mutations occur.

The frequencies of the genotypes of an individual locus will be set to a particular equilibrium value.<u> It also specifies that these equilibrium frequencies can be represented as a simple function of the allelic frequencies at that locus</u>. In the simplest case, with a locus with two alleles A and a, with allele frequencies of p and q respectively, the principle predicts that <u>the genotypic frequency for the dominant homozygous AA is p^2, that of the heterozygous Aa is 2pq and that of the recessive homozygous aa, is q^2. The allele frequency of a is represented as p and the frequency of recessive allele is q.</u>

The three genotypes AA : Aa : aa appear in a ratio p² : 2pq : q². If we add them up, we get the unit:

p^2 + 2pq + q^2 = (p + q)^2 = 1  

And p + q = 1

<u>Rh-positive genotypes are represented as AA (homozygous dominant) or Aa (heterozygous) since the presence of a single dominant allele is sufficient to express the phenotype. While Rh-negative genotypes are represented as aa. </u>

If 84% of the population is Rh-positive, that means that this percentage includes all those who are AA and Aa. Then 16% are aa.

F(aa)=q^2=0.16

then F(a)=q=0.4

And since p + q = 1, p + 0.4 = 1, then p is 0.6

We can also calculate the rest, then F(AA)=p^2= 0.36

So F(Aa)= 2pq = 2 x 0.6 x 0.4 = 0.48

Notice that 0.36 + 0.16 + 0.48 = 1

3 0
2 years ago
What is the term for the amount of a species that can live in an area with the resources that are available?
Arturiano [62]

Answer:

It's B.

Explanation:

An area's carrying capacity is not static. The carrying capacity may be lowered by resource destruction and degradation during an overshoot period or extended through technological and social changes.

6 0
2 years ago
Read 2 more answers
Which of the following would have the greatest biodiversity? A. An area with many individuals of the same species. B. An area wi
Degger [83]

Answer:

D. An area with many individuals of many species.

Explanation:

Biodiversity is the variety and variability of life on Earth.

Biodiversity is supposed to be diverse with a lot of different species. Diverse means showing a great deal of variety; very different.

7 0
2 years ago
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