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kvasek [131]
3 years ago
14

Give two reasons why dna evidence analysis is an imperfect science

Biology
1 answer:
Virty [35]3 years ago
7 0

Answer:

DNA samples might be planted and it is possible to synthesize a nucleotide sequence to incriminate a person

Explanation:

In a criminal case, DNA evidence may be considered to be fraudulent because DNA samples might be planted around the crime scene. Moreover, specific genomic profiles of an individual stored in the database can be used to manufacture a DNA sample matching this profile without the necessity to obtain tissues of the person. In consequence, DNA evidence may be considered to be imperfect. Nonetheless, it is important to highlight that DNA evidence is one of the most important modern advances used during criminal trials, and it has proven to be a very useful (and effective) tool available in law enforcement.

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Observations, evidence and data that people gather and test support and evaluate scientific explanations is called _____ *
uranmaximum [27]

Answer:

the answer is theory

Explanation:

hope you have what you are looking for! Thx!

7 0
3 years ago
Water plays a role in body temperature regulation. <br> a. True <br> b. False
Mrrafil [7]
The answer is:
True - 
Water<span> enables the </span>body<span> to release heat when ambient </span>temperature<span> is higher than </span>body temperature<span> </span>
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Read 2 more answers
Which is the best analogy for scientific inquiry?
belka [17]
Scientific inquiry refers to the diverse ways in which scientists study the natural world and propose explanations based on the evidence derived from their work.
4 0
2 years ago
A researcher conducted studies on proteins obtained from mouse livers. He discovered a novel protein and decided to study its ge
user100 [1]

Answer:

TAAGCCATGACATGATCG

Explanation:

Transcription is the process of transfer of genetic information from DNA to RNA, typically to a messenger RNA (mRNA). During transcription, a particular DNA sequence called 'gene' is used as template to create an mRNA which is subsequently used to synthesize a protein by the process of translation. During this process (transcription), Uracil (U) bases pair with Adenine (A) and replace thymine (T) bases in RNA.

6 0
3 years ago
The correct sequence of events occurring during transcription is
marin [14]
Firstly, the enzyme, DNA Helicase breaks the Hydrogen bonds between a specific region of the DNA molecule and unwinds the duplex DNA molecule at the targeted gene sequence site.
 Then, RNA Polymerase binds at the 3` site of the gene sequence of the sense/coding strand(only one strand) that acts as the template for mRNA synthesis. RNA Polymerase then matches free nucleotides by complementary base-pairing(A-U & C=G), working in the 5`to3` direction. Hydrogen bonds then form between the complementary bases, holding the nucleotides in place. Each free adjacent nucleotide is joined at 3` ends by Condensation reactions with the other to form Phosphodiester bonds.
Once the mRNA molecule is formed, it is separated from the synthesis complex and leaves the nucleus through pores in the nuclear envelope to moves towards ribosomes for Translation.
Lastly, the DNA double helix rewinds by forming Hydrogen Bonds.

6 0
3 years ago
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