wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Genetics in Agricultural Animals Quiz

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Which tool is commonly used to predict the genetic outcomes of crosses in agricultural animals?

a)

Punnett square

b)

Bar graph

c)

Pie chart

d)

Line graph

2.

What is the term for the physical appearance of an animal resulting from its genetic makeup?

a)

Genotype

b)

Phenotype

c)

Chromosome

d)

Allele

3.

Which trait is commonly selected for in dairy cattle breeding, where high milk yield is dominant over low milk yield?

a)

Feather color

b)

Milk yield

c)

Wool length

d)

Egg size

4.

In poultry breeding, which trait is often considered for improving egg production, given that high egg-laying frequency is dominant over low frequency?

a)

Comb shape

b)

Egg-laying frequency

c)

Tail length

d)

Beak color

5.

If black coat color ( BB ) is dominant over white ( bb ) in pigs, which gene combination would result in a pig with a black coat?

a)

bbbb

b)

BbBb

c)

BBBB

d)

Both BbBb and BBBB

6.

What is the main factor influencing height variation in horses, where tall ( TT ) is dominant over short ( tt )?

a)

Diet

b)

Genetics

c)

Exercise

d)

Climate

7.

Which characteristic is most important in sheep bred for wool production, where fine wool ( WW ) is dominant over coarse wool ( ww )?

a)

Wool fineness

b)

Horn length

c)

Tail shape

d)

Ear size

8.

Goat milk production is primarily determined by which factor, given that high milk production ( MM ) is dominant over low milk production ( mm )?

a)

Genetic traits

b)

Coat color

c)

Horn shape

d)

Leg length

9.

If a dairy cow with genotype AAAA (high milk yield, dominant) is crossed with a cow with genotype aaaa (low milk yield, recessive), what will be the genotype of all offspring?

a)

AAAA

b)

AaAa

c)

aaaa

d)

AA

10.

A poultry breeder wants to increase egg size, where large egg size is dominant over small egg size. Which breeding strategy should they use?

a)

Select birds with larger eggs for mating

b)

Randomly mate birds

c)

Select birds with colorful feathers

d)

Mate birds with longer tails

11.

If black coat color ( BB ) is dominant over white ( bb ) in pigs, and a pig with genotype BbBb is crossed with another BbBb pig, what is the probability of an offspring having a white coat?

a)

0%

b)

25%

c)

50%

d)

75%

12.

A horse breeder wants to produce taller horses, where tall ( TT ) is dominant over short ( tt ). Which parent genotypes should be selected?

a)

TTTT and tttt

b)

TtTt and TtTt

c)

tttt and tttt

d)

TtTt and tttt

13.

A sheep with genotype WWWW (fine wool, dominant) is crossed with a sheep with genotype WwWw . What percentage of offspring will have fine wool?

a)

25%

b)

50%

c)

75%

d)

100%

14.

If a goat with high milk production ( MM , dominant) is crossed with a goat with low milk production ( mm , recessive), what is the expected phenotype of the MmMm offspring?

a)

High milk production

b)

Low milk production

c)

No milk production

d)

Medium milk production

15.

A dairy cattle breeder wants to maximize milk yield using Punnett squares. Which cross would provide the highest probability of high-yield offspring if AA (high yield) is dominant over aa (low yield)?

a)

AA×AAAA \times AA

b)

AA×aaAA \times aa

c)

Aa×AaAa \times Aa

d)

aa×aaaa \times aa

16.

A poultry breeder observes that some birds have a new feather color not present in either parent, where red ( RR ) is dominant over white ( rr ). What genetic phenomenon could explain this?

a)

Mutation

b)

Dominance

c)

Segregation

d)

Incomplete dominance

17.

A pig breeder wants to eliminate the white coat trait from the herd, where black ( BB ) is dominant over white ( bb ). Which breeding strategy should be used?

a)

Only breed pigs with BBBB genotype

b)

Breed BbBb pigs together

c)

Breed bbbb pigs together

d)

Breed BbBb and bbbb pigs

18.

A horse breeder has two horses: one TtTt (tall, dominant) and one tttt (short, recessive). What is the expected ratio of tall to short offspring?

a)

1:1

b)

3:1

c)

2:1

d)

4:1

19.

A sheep breeder wants to increase wool fineness. If WW (fine wool) is dominant over ww (coarse wool), which cross would maximize fine wool offspring?

a)

WW×WWWW \times WW

b)

Ww×WwWw \times Ww

c)

Ww×wwWw \times ww

d)

ww×wwww \times ww

20.

A goat breeder wants to predict the milk production of offspring from a cross between MmMm and MmMm goats, where high milk production ( MM ) is dominant over low milk production ( mm ). What is the expected genotypic ratio?

a)

1 MMMM : 2 MmMm : 1 mmmm

b)

3 MMMM : 1 mmmm

c)

2 MmMm : 2 mmmm

d)

1 MMMM : 1 MmMm : 2 mmmm