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faust18 [17]
3 years ago
13

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

Biology
1 answer:
Rudiy273 years ago
3 0

Explanation:

<em>Mitochondrial DNA typing</em><em> </em><em>-</em>

This method is mainly used by forensic scientist who investigate crime scenes.

It involves the use of DNA from an unknown sample to match a DNA collected from a crime scene.

This method is normally used in special scenarios.

These scenarios include:

1) When the DNA is discarded.

2) When the sample does not contain nuclear DNA.

From the description above we can now answer the question as follows:

an unknown nuclear mtDNA is matched to a nuclear mtDNA found at a crime scene.

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If a natural disaster caused all warbles to go extinct, why would the natural disaster not kill all living organisms?
likoan [24]

Answer:

Living organisms that are able to adapt to the environment (natural disaster) will increase in number while the ones such as warbles who can't adapt will die and go into extinction.

Explanation:

Natural selection can be defined as a biological process in which species of living organisms having certain traits that enable them to adapt to environmental factors such as predators, competition for food, climate change, sex mates, etc., tend to survive and reproduce, as well as passing on their genes to subsequent generations.

Simply stated, natural selection entails the survival of the fittest. Therefore, the species that are able to adapt to the environment will increase in number while the ones who can't adapt will die and go into extinction.

Additionally, due to genetic variation within populations, some living organisms have a better chance of possessing good or beneficial traits being passed from the parent organism to her offsprings which enables them to survive a natural disaster.

Hence, if a natural disaster caused all warbles to go extinct, the natural disaster may not kill all living organisms due to natural selection.

7 0
3 years ago
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Nutka1998 [239]

Answer:

59 is false and 60 and true

Explanation: I think it is right sorry if it is wrong. I hope this helps

3 0
2 years ago
Read 2 more answers
Biotic and abiotic a moth immediately
Natasha_Volkova [10]

Answer:

moth is biotic

Explanation:

biotics are living things

7 0
3 years ago
The function of the S layer is unclear. The fact that the S layer is found in cultures isolated from natural sources but is typi
mario62 [17]

Answer:

The correct answer is "the S layer may play a role in protecting cells from viruses and predatory bacteria found in nature but not in laboratory cultures".

Explanation:

The S-layer (surface layer) is a part of the cell's envelope comprised of of identical proteins or glycoproteins that could be found in archaes and some bacterias in nature. The function of the S-layer is unknown, however the fact that is only seen in nature suggest that it may play a role in protecting cells from viruses and predatory bacteria found in nature but not in laboratory cultures. It is likely that archaes and bacteria synthesize the S-layer when they recognize viruses and predatory bacteria in nature, the S-layer is not synthesized in laboratory cultures because these pathogens are not present.

4 0
4 years ago
A human would be considered a(n) *
gladu [14]

Answer:

Organism?

Explanation:

7 0
3 years ago
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