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

Genetics and Animal Breeding Concepts

Interactive Video
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Biology, Science, Other
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9th - 10th Grade
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Hard

Patricia Brown
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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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