Genetics and Animal Breeding Concepts

Genetics and Animal Breeding Concepts

Assessment

Interactive Video

Biology, Science, Other

9th - 10th Grade

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial explains the use of a test cross Punnett square to determine if an animal, such as a Labrador Retriever, is purebred or a hybrid. By breeding a black lab with a chocolate lab, the resulting litter can indicate the genetic makeup of the black lab. If all offspring are black, the black lab is purebred; if some are chocolate, it is a hybrid. The tutorial also touches on ethical considerations in animal breeding, comparing it to the unseen processes in food production, and highlights the complexity of scientific practices.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of a test cross in genetics?

To determine the color of an animal

To find out if an animal is purebred

To identify the species of an animal

To calculate the age of an animal

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When breeding a black Labrador with a chocolate lab, what is being tested?

The size of the puppies

The speed of the puppies

The genetic makeup of the black Labrador

The lifespan of the puppies

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a black Labrador is purebred, what will be the color of all the puppies?

White

Black

Spotted

Chocolate

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does it indicate if some puppies are chocolate colored when a black Labrador is bred with a chocolate lab?

The black Labrador carries a recessive allele for chocolate

The puppies are unhealthy

The chocolate lab is not purebred

The black Labrador is purebred

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a mixed litter in the context of this genetic test?

A litter with only chocolate puppies

A litter with both black and chocolate puppies

A litter with no puppies

A litter with only black puppies

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the presence of a mixed litter suggest about the black Labrador?

It is a different species

It is unhealthy

It is mixed

It is purebred

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why might some people find the process of breeding animals for genetic testing to be controversial?

It is not effective

It is too expensive

It seems barbaric

It is too time-consuming

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