Gene Regulation Increases Variation

a slight difference in an inherited trait among individual members of a species

• mutation

• adaptation

• camouflage

• variation

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NGSS.HS-LS3-2

NGSS.HS-LS4-2

a unit of heredity which is transferred from parent to offspring and determines some characteristics of the offpsring

• gene

• nucleus

• chromosome

• DNA

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NGSS.HS-LS3-1

NGSS.HS-LS3-2

Differences between members of the same species are called:

• variations

• predators

• selections

• traits

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NGSS.HS-LS3-2

NGSS.HS-LS4-2

What is the primary role of gene regulation in an organism?

• To increase genetic variation

• To control the expression of genes

• To replicate DNA

• To mutate genes

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NGSS.HS-LS1-1

Which of the following processes is directly involved in gene regulation?

• Transcription

• Translation

• Replication

• Mutation

How does gene regulation contribute to phenotypic variation?

• By altering the DNA sequence

• By controlling gene expression levels

• By changing the genetic code

• By increasing mutation rates

In which part of the cell does gene regulation primarily occur?

• Nucleus

• Cytoplasm

• Ribosome

• Mitochondria

Which molecule is most directly involved in the regulation of gene expression?

• DNA

• mRNA

• tRNA

• rRNA

What is an example of a mechanism that cells use to regulate gene expression?

• Gene splicing

• Gene duplication

• Gene mutation

• Gene silencing

How can environmental factors influence gene regulation?

• By changing the DNA sequence

• By affecting gene expression

• By altering the genetic code

• By increasing mutation rates

Tags

NGSS.HS-LS3-2