Biotechnology and Genetic Modification Quiz 1

Explain how humans have altered the genes of living things over time.

• Through selective breeding and genetic engineering

• By natural selection

• By environmental changes

• Through random mutations

Tags

NGSS.HS-LS3-2

What is selective breeding?

• A method of breeding that allows only the strongest animals to reproduce

• A process of choosing specific plants or animals to reproduce based on desired traits

• A technique used to clone animals

• A natural process of evolution

Tags

NGSS.HS-LS3-2

What are the concerns related to genetic manipulation?

• Ethical issues

• Environmental impact

• Health risks

• All of the above

What is the second step in Gene Cloning?

• Isolation of DNA

• Insertion of DNA into the vector

• Amplification of recombinant DNA

• Selection of recombinant cells

What is the third step in Gene Cloning?

• Isolation of DNA

• Insertion of DNA into the vector

• Ligation of DNA fragment

• Transformation of host cells

What is the third step in PCR (Polymerase Chain Reaction)?

• Denaturation

• Annealing

• Extension

• Cooling

What are the 3 main steps of PCR?

• Denaturation, Annealing, Extension

• Initiation, Elongation, Termination

• Transcription, Translation, Replication

• Binding, Cleaving, Ligation

What enzymes are used in PCR?

• Taq polymerase

• RNA polymerase

• Ligase

• Helicase

Genetic manipulation involves:

• Changing the DNA of an organism

• Studying the behavior of animals

• Analyzing the chemical composition of substances

• Observing the stars and planets

Tags

NGSS.HS-LS3-2

NGSS.HS-LS1-1

NGSS.HS-LS3-1

What is gene cloning?

• The process of creating identical copies of DNA

• A method of sequencing genes

• A technique for editing genes

• A way to study gene expression