Gene technology

_____________ enzymes are used to cut DNA molecules at specific sites.

What is the function of ligase enzymes?

• Splices together different sequences of DNA.

• Cuts DNA a random sites.

• Used to cut the DNA molecule are specific sites.

• Used to join cut pieces of DNA together.

________ are small circular pieces of DNA found in ____________.

• Plasmids. Eukaryotes.

• Plasmids. Bacteria.

• Chromosomes. Eukaryotes.

• Chromosomes. Bacteria.

What is the term for something that can transfer a gene?

What is a example of a prokaryotic organism that can be used as a vector?

• Funghi

• Virus

• Plasmid

A _____ is a section of DNA which codes for ________.

• chromosome.proteins.

• gene. proteins.

• gene. carbohydrates.

• chromosomes. genes.

___ is genetic material which codes for ________ which give rise to _____________.

• RNA. proteins. characteristics.

• DNA. proteins. characteristics.

• RNA. genes. chromosomes.

• DNA. proteins. genotypes.

• DNA. chromosomes. genes.

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

What is the purpose of selective breeding?

• Used to produce organisms that possess the beneficial characteristics of both parents.

• Used to produce genetically identical organisms with beneficial characteristic.

• Use enhance beneficial characteristics from one parent.

• Used to decrease the genetic variation in a population.

What is the term for the amount produced of a crop or animal?

Which of the following are desirable modifications that improve food production in GM plants?

• Disease resistance

• Pest resistance

• Increased transpiration

• Fertiliser reliance