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Selective Breeding/Genetic Engineering 2025

Selective Breeding/Genetic Engineering 2025

Assessment

Presentation

Biology

8th Grade

Medium

NGSS
HS-LS1-1, HS-LS3-2, HS-LS4-4

+3

Standards-aligned

Created by

Kwinsi Bridges

Used 1+ times

FREE Resource

28 Slides • 26 Questions

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Multiple Choice

Which of the following best describes the main goal of selective breeding?

1

To produce offspring with the desired traits of both parents

2

To allow animals to breed randomly

3

To decrease the variety of traits in a population

4

To prevent domestication of animals

4

Open Ended

Why do you think humans practice selective breeding, and what could be some possible benefits or drawbacks of this process?

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Multiple Choice

Which of the following is NOT an example of selective breeding?

1

Intentionally mating two dogs to achieve a specific trait

2

A farmer saving seed from a hearty crop to replant

3

Dogs bred for hunting or competition

4

Allowing animals to mate randomly in the wild

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Multiple Choice

Which traits were combined to produce the bullmastiff through selective breeding?

1

Aggression and speed

2

Strength and companionship

3

Strength, speed, and aggression

4

Speed and companionship

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Multiple Choice

What is the result of breeding Brahman cattle with English shorthorn cattle?

1

Cattle with poor beef and poor heat resistance

2

Cattle with good beef and poor heat resistance

3

Cattle with good beef and good heat resistance

4

Cattle with poor beef and good heat resistance

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Fill in the Blank

Selective breeding in crops involves choosing seeds from plants with the most desirable ___ to plant for the next generation.

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Open Ended

Describe one advantage of selective breeding in lions and tigers, as seen in ligers.

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Multiple Choice

How did the liger appear?

1

By selective breeding between two lions

2

By selective breeding between two tigers

3

By breeding a lion father and a tiger mother

4

By genetic engineering

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Multiple Choice

Why do people selectively breed animals and plants?

1

To make them smaller and weaker

2

To make them grow bigger, faster, prettier, and stronger

3

To reduce crop yield

4

To make them reproduce less

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Multiple Choice

Which of the following are benefits of selective breeding?

1

Higher crop yield

2

Animals that grow more meat, milk, and eggs

3

Friendlier and prettier pets

4

All of the above

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Fill in the Blank

Selective breeding can lead to loss of genes in a population, animal discomfort, and ___.

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Open Ended

Describe how genetic engineering has been used to produce human insulin using bacteria.

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Multiple Choice

What is a potential risk of replacing bad genes with healthy genes in humans through genetic engineering?

1

The person may develop a worse disease due to the new gene

2

The person will never get sick again

3

The process is always successful without side effects

4

Healthy genes can cure all diseases

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Multiple Select

Which of the following are benefits of inserting a weed resistant gene into crop plants?

1

Farmers can spray weed killer without harming crops

2

Crops grow better and bigger

3

Weeds become resistant to herbicides

4

Crops require less water

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Fill in the Blank

Bt gene is inserted into crops to make them resistant to ___

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Open Ended

Compare the growth characteristics of genetically engineered salmon and farm salmon.

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Fill in the Blank

Genetically engineered crops can be designed to grow in ___ environments.

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Multiple Choice

What is the main purpose of injecting genes into pigs' DNA, as described in the image?

1

To make pigs grow faster

2

To produce human-like organs for transplantation

3

To improve pigs' taste and nutrition

4

To make pigs resistant to diseases

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Multiple Choice

Why do humans genetically engineer mice to grow human ears?

1

For medical research

2

For cosmetic purposes

3

To improve hearing in mice

4

To study genetic mutations

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Multiple Select

Which of the following are potential benefits of genetically engineered vaccines compared to traditional vaccines?

1

They may be safer

2

They use live viruses

3

They do not use live viruses

4

They are less effective

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Multiple Choice

Which of the following is NOT listed as a pro of genetic engineering in the image?

1

Making crops with better taste

2

Producing new foods

3

Helping cure certain diseases

4

Causing negative traits to increase

48

Fill in the Blank

Humans have made crops with better taste, nutrition, and ___ rate.

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Multiple Choice

Which of the following is a potential negative consequence of genetic engineering in crops as described in the slides?

1

Crops may become allergenic to people

2

Crops may require more water

3

Crops will always taste worse

4

Crops will grow slower

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Open Ended

How does selective breeding lead to the development of strains with desired characteristics over generations?

53

Drag and Drop

UNIT 3. ​
has used artificial selection or ​
to encourage organisms to possess certain ​
.
Drag these tiles and drop them in the correct blank above
Man
selective breeding
desirable traits

54

Open Ended

What is selective breeding?

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