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Elis [28]
3 years ago
14

Transgenic organisms are __________. transgenic organisms are __________. organisms containing dna sequences that have been crea

ted in vitro and introduced into the genome organisms that have exchanged dna regions in different chromosomes through crossing over during meiosis organisms containing mutations that have been generated through the use of radiation or mutagenic chemicals organisms that have exchanged dna regions within a chromosome through homologous recombination
Biology
1 answer:
Snezhnost [94]3 years ago
7 0
Bbbooookkkkssssss................
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How can the environment affect an organism’s traits? Give two examples please!
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Rhythemic contraction and relaxtion of heart is called _____.​
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2 years ago
What is the approximate percentage of total fixed nitrogen attributed to human activities?
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4 0
3 years ago
Which of these would be considered a cis-regulatory element for a gene? Group of answer choices
ss7ja [257]

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The correct answer is option d. "A region of DNA sequence upstream of a gene where transcription factors bind".

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Cis-regulatory elements (CREs) are fragments of DNA that do not encode to a protein, but regulate the transcription of nearby genes. CREs regulation is based on binding to transcription factors. These elements are vital for the regulation of complex molecular mechanisms that involve the participation of multiple genes. Additionally, CREs could participate in pleiotropy (a single gene being responsible for the development of multiple traits), because a single transcription factor could bind to different CREs.

4 0
3 years ago
Why do you think there is a basic difference between the kinds of fertilization most common in aquatic and terrestrial animals?
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