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neonofarm [45]
3 years ago
12

What is a change in the usual order of a DNA sequence called

Biology
2 answers:
larisa [96]3 years ago
8 0
Hello there!

The answer is Mutation.

Hope This Helps You!
Good Luck :)
lana66690 [7]3 years ago
4 0
Mutation. There are multiple types of mutations. Substitution mutations are when a nucleotide is switched in the genetic sequence. Insertion is when a nucleotide is inserted into the DNA sequence. Deletion is when a base nucleotide is deleted. Those are the three basic mutations of DNA. Even though they are very small, they can have a profound impact on the organism. In the case of sickle cell anemia, one substitution causes red blood cells to completely change shape from their normal circular shape to a sickle shape. 
Hope that helped.
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Annette [7]

Considering the definition of probability, the correct answer is third option: the approximate probability of a moth being brown and yellow respectively is 33% and 21%

Probability is the greater or lesser possibility of a certain event occurring.

In other words, probability establishes a relationship between the number of favorable events and the total number of possible events.

Then, the probability of any event A is defined as the quotient between the number of favorable cases (number of cases in which event A may or may not occur) and the total number of possible cases. This is called Laplace's Law.

P(A)=\frac{number of favorable cases}{total number of possible cases}

In this case, you know that in a moth population, 48 are brown, 30 are yellow, and 67 are black. So, the total number of possible cases is calculated as:

total number of possible cases= 48 + 30 + 67= 145

The number of favorable cases for a moth to be brown is: 48

Then the probability that a moth is brown is calculated as:

P(A)=\frac{48}{145}= 0.33= 33%

On the other side, the number of favorable cases for a moth to be yellow is: 30

Then the probability that a moth is yellow is calculated as:

P(A)=\frac{30}{145}= 0.21= 21%

In summary, the correct answer is third option: the approximate probability of a moth being brown and yellow respectively is 33% and 21%

Learn more about probability:

  • brainly.com/question/23297275?referrer=searchResults
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