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mafiozo [28]
2 years ago
8

How is mitochondrial DNA (mtDNA) typing used in forensic science?

Biology
2 answers:
Pepsi [2]2 years ago
5 0
MtDNA is a genome inside the mitochondria outside the cell's nucleus 
valuable tool used to get the source of dna from small or damaged biological samples <span />
sineoko [7]2 years ago
5 0

Answer:

The crime scene has many evidences which can help to identify the criminal. The DNA sample that is found at the crime scene is matched with the unknown DNA.

This is the method by which the  Mitochondrial DNA can be used for knowing the criminal.

The unknown sample of DNA is matched with the sample of DNA after amplification. The amplified sample might match with the sample or might not match with the unknown sample.

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Answer:

Answer C

Explanation:

has the same genetic information and ecological niche.

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2 years ago
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The key to the evolution of altruism is that a. recipients have to be more likely to carry the altruistic allele than nonrecipie
cupoosta [38]

Answer:

The correct answer is b. actors have to be more likely to carry the altruistic allele than non actors.

Explanation:

Altruism is the behavior by an organism that benefits other organisms by costing its own fitness. The actor is the individual who is doing altruism and the recipient is the individual who is getting benefited by the actor's altruism.

An example of altruistic behavior can be seen in animal kingdom easily. Vampire bats give blood to those members of the community who were not able to go for search for blood show altruistic behavior.

Actors have altruistic genes that suggest them to behave altruistically. Non-actors may not contain alleles of altruism but the recipient might have altruistic alleles.

Hamilton's rule says that natural selection will favor the altruistic allele when rb > c.

where r = coefficient of relatedness between donor and recipient

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          c = cost paid by altruist.

Therefore, the correct answer is b.

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2 years ago
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