Biosc 0160 Exam Review Questions

Which statement is not true of hybridization?

• A. It is relatively inexpensive to perform.

• B. It produces offspring with specific traits.

• C.It crosses a parent organism with different forms of a trait.

• A.It can take a long time to be successful.

Name the process that scientists use to separate DNA fragments according to size.

• A. Genetic engineering

• B. Gel electrophoresis

• C. Cleaving

• D. Selective breeding

Select the process in which one type of bacterium takes up the DNA from another type of bacterium

• A. Cloning

• B. Sequencing

• C. Transformation

• D. Manipulation

Which term explains how humans have been able to produce a wide variety of domestic cats?

• A. Homogenization

• B. Inbreeding

• C. Selective Breeding

• D. Test Crossing

A new breed of cattle has been developed by crossing English Shorthorn cattle, which provide good beef but cannot withstand hot environments, and Brahman cattle from India that have a high heat tolerance but produce poor beef. The new breed, Santa Gertrudis, produces excellent beef and can live in hot environments. Which term describes Santa Gertrudis cattle?

• A. Cross Breed

• B. Hybrid

• C. Outbred

• D. Purebred

Harmful recessive traits can be passed

through generations of purebred animals

as a result of _______.

• A. Hybridization

• B. Inbreeding

• C. Line Breeding

• D. Outcrossing

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Once a tomato grower observes the desired trait in her tomato plants, she decides to perform a test cross. What is the purpose for doing the test cross?

• A. To determine if the trait is dominant or recessive

• B. To determine the phenotype of the plants

• C. To determine if the plants carry beneficial recessive alleles

• D. To determine if the plants are homozygous dominant or heterozygous

What is the name for the technology that involves inserting the genes of one organism into the DNA of another organism?

• A. Bioengineering

• B. Cloning

• C. Genetic Engineering

• D. Transgenics

Tags

NGSS.HS-LS3-2

Which type of protein can recognize specific DNA sequences and cleave the DNA within that sequence?

• A. DNA Ligase

• B. Polymerase

• C. Restriction Enzymes

• D. Transcriptase

Which process separates DNA fragments according to size and has many applications in genetic engineering and biotechnology?

• A. DNA fragmentation

• B. Gel electrophoresis

• C. Transgenic Cloning

• D. Polymerase Chain Reaction