genetics

Multiple Choice

Why is the study of genetics significant for understanding living organisms?

• It helps us understand how traits are inherited and how organisms evolve.

• It explains only the physical appearance of organisms.

• It is only important for plants, not animals.

• It is unrelated to the study of DNA.

Multiple Choice

Which of the following best describes the difference between genotype and phenotype?

• Genotype is the observable trait, phenotype is the genetic code.

• Genotype is the genetic make-up, phenotype is the observable characteristic.

• Genotype is the environment, phenotype is the DNA sequence.

• Genotype and phenotype mean the same thing.

Open Ended

Explain how genetic engineering can alter the phenotype of an organism.

Multiple Choice

The blue color of the strawberry in the image is most likely a result of:

• Natural mutation

• Genetic engineering

• Environmental factors

• Selective breeding

Open Ended

Describe how the introduction of a new gene can result in a tobacco plant that glows in the dark.

Multiple Select

Which of the following are possible outcomes of genetic engineering in plants?

• Plants that glow in the dark

• Plants with increased resistance to pests

• Plants with reduced nutritional value

• Plants that can survive extreme temperatures

Multiple Choice

Why might scientists create 'glow in the dark' rats as shown in the images?

• To study gene expression and genetic modification

• To create pets that are easier to find at night

• For entertainment purposes only

• To increase the lifespan of rats

Multiple Choice

What is the main purpose of genetic engineering?

• To artificially manipulate, modify, and recombine DNA to modify organisms

• To allow organisms to glow in the dark

• To create new species through natural selection

• To prevent any changes in DNA

Multiple Choice

Which of the following is an example of a Genetically Modified Organism (GMO)?

• Bacteria that produce human insulin

• Wild-type bacteria

• A naturally occurring hybrid plant

• A cloned sheep

Multiple Select

Which of the following are techniques used in genetic engineering?

• Artificial selection

• Cloning

• Gene splicing

• Photosynthesis

Multiple Select

Which of the following are examples of selective breeding?

• Champion race horses

• Cows with tender meat

• Wild wolves

• Large juicy oranges on a tree

Multiple Choice

What is the main goal of selective breeding in animals?

• To produce offspring with desired traits

• To create new species

• To increase the population size

• To prevent animals from breeding

Open Ended

How does selective breeding help in developing dog breeds for specific purposes?

Multiple Choice

What is the purpose of breeding Angus cows as mentioned in the example?

• To increase muscle mass for more meat

• To produce more milk

• To make them run faster

• To make them disease resistant

Open Ended

Explain how hybridization can result in a plant with both disease resistance and high food production capacity. Use the example of the Burbank potato in your answer.

Multiple Choice

What is a liger an example of?

• Hybridization between a lion and a tiger

• Inbreeding between two lions

• Cloning of a tiger

• Variation in tigers

Multiple Select

Which of the following are true about a grapple fruit?

• It tastes like grapes

• It looks like an apple

• It is a result of hybridization

• It is a type of citrus fruit

Multiple Choice

What is the main risk associated with inbreeding in dogs?

• Increased genetic disorders

• Increased variation

• Stronger immune system

• Faster growth rate

Multiple Choice

Which process involves removing a single cell from a parent organism to grow an entire new individual?

• Cloning

• Hybridization

• Inbreeding

• Variation

Open Ended

Explain how cloning results in organisms with identical DNA to the parent. Use information from the slides to support your answer.

Open Ended

How do chromosomes, DNA, and genes work together to determine the traits of an organism?

Multiple Choice

What is the primary function of DNA in living organisms?

• To provide energy for cellular processes

• To carry instructions for assembling proteins and determining traits

• To protect cells from external damage

• To transport nutrients within the cell