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Genetics & Reproduction

Total questions: 17

Worksheet time: 6mins

Name
Class
Date
1.

Crossing over is when....

a)

chromosomes exchange genetic information

b)

chromosomes split during mitosis

c)

egg is fertilized by the sperm

d)

alleles segregate at gamete formation

2.

Which is heterozygous for both traits?

a)

Tt pp

b)

TT Pp

c)

Tt PP

d)

Tt Pp

3.

Naturally polled condition happens in which cattle breed?

a)

Shorthorn

b)

Jersey

c)

Holstein

d)

Aberdeen Angus

4.

The outward appearance of an organism is what?

a)

Genotype

b)

Phenotype

c)

Hybrid

d)

Hybrid Vigor

5.

Increased productivity displayed by offspring of genetically different parents is know as.....

a)

Crossing over

b)

Cross breeding

c)

Hybrid Vigor

d)

Inbreeding

6.

When two equally dominant alleles give a mixed/blend trait in the phenotype it is known as what?

a)

Co-dominance

b)

Multiple alleles

c)

Mutation

d)

Incomplete dominance

7.

When two equally dominant alleles are both expressed equally in the phenotype its know as...

a)

Co-dominance

b)

Continuous variation

c)

Incomplete dominance

8.

Which is an example of continuous variation?

a)

Coat color

b)

Eye color

c)

Milk yield

d)

Blood type

9.

Mopping up is what?

a)

Using stock bull after AI

b)

Using sexed semen in AI

c)

Using stock bull instead of AI

d)

Nothing related to AI

10.

Using hormones to produce more than normal quantities of eggs in an animal is known as..

a)

Synchronization

b)

Sponging

c)

Super Ovulation

d)

Oestrous

11.

Hormone responsible for the production of testosterone in bulls?

a)

Testosterone

b)

FSH

c)

LH

12.

Hormone found in both males and females?

a)

FSH

b)

Oxytocin

c)

Progesterone

d)

Testosterone

13.

Which is a function of oxytocin?

a)

Milk production

b)

Inhibition of lactation

c)

Development of sex characteristics

d)

Milk let down

14.

Which hormone inhibits milk production?

a)

Oxytocin

b)

Prolactin

c)

Oestrogen

d)

Progesterone

15.

Length of gestation in sheep?

a)

9.5 months

b)

8 months

c)

5 months

d)

3.5 months

16.

Sheep are...

a)

polyoestrous

b)

seasonally polyoestrous

c)

monoestrous

d)

dioestrous

17.

Bulls sperm is stored where?

a)

Testes

b)

Sperm duct

c)

Prostate gland

d)

Epididymis