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STatiana [176]
3 years ago
6

How is mitochondria dna tryping used in forensic science??

Biology
1 answer:
DerKrebs [107]3 years ago
7 0
it allows scientists to determine the source of DNA recovered and use the sample from the mitochondria which has hundreds of copies unlike the two the nucleus holds and it increases the odds of recovering accurate DNA
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svetlana [45]

Answer:

Crossing over and random alignment are the events of meiosis-I that add new gene combinations to the gametes. Random fusion of male and female gametes is called random fertilization.

Explanation:

During the pachytene stage of meiosis-I, part of the chromatids of each of the homologous chromosomes of a bivalent is broken apart and exchanged. This exchange of the genetic material between the members of a bivalent is called crossing over. The recombinant chromatids formed by crossing over have new allele combinations that were otherwise not present in the parental chromatids.

During metaphase I, the homologous pairs are aligned at the cell's equator in a random manner. This means that either the paternal or maternal chromosome of a pair may face one or the other pole of the cell. The arrangement of chromosomes during metaphase-I determines whether the paternal or maternal chromosome of each pair would be distributed to one or the other pole of the cell. This random segregation creates new gene combinations in gametes.

All the gametes have equal chances of getting fused with a gamete from the opposite gender. This is called random fertilization and further adds variations.

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Consider the wetland habitat pictured here. Imagine a very hot summer with little rain. What would be the limiting factor for th
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The right answer is actually D)water

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Which term describes the coordinated action between two microorganisms that result in a heightened response or greater effective
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Answer:

Synergism

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Synergism is defined as the cooperation of two or more microorganisms that result in a heightened response or greater effectiveness.

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2 years ago
Why is it important to know a person blood type before a blood transfusion?
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Different types of blood contact different kinds of antigens and antibodies. For example, Type A blood has A antigens and B antibodies, antibodies being the thing that fights B antigens. Type B blood has B antigens and A antibodies. So if someone with type B gets transfused with Type A blood, the person's antibodies will attack the new blood.
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8. Your mother is sure that you were driving too fast because she knows (2 points)
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b.

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She would have compared how long it would take you to get where you're going, and compare it to how long it took you to get back.

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