SHEEP GENETICS

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SHEEPGENETICS
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What is the first generation crossbred lamb known
as?
A

• Cross
• F-1 Cross
• Half Breed
• 1/2 Cross

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3
What is the term used to describe a mating system
in which closely related ancestors are mated back
to back to each other to increase the
concentration of desirable /or undesirable
genes?
A

• Inbreeding
• Crossing
• Siring
• Overdominance

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4
What is a Rams progeny?
A

• Age
• Weight
• Offspring
• Parents

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5
A characteristic of an animal that can be seen
and/or measured such as color, weight, wool
length is called ___________. Phenotype
Pedigree Identification Chromosomes
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6
What is the paper called that lists sire and dam
of a purebred animal?
A

• Offspring
• Birth Certificate
• Health Paper
• Registration Paper

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7
If a person refers to the top side of an
animals pedigree, they are referring to what
side?
A

• Maternal
• Sibling
• Natural
• Paternal

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8
What term describes specific animals ancestry or
lineage?
A

• Pen type
• Characteristics
• Pedigree
• Parents

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9
As a ram matures and increases in size he will
sire lambs with ----- birth weights?
A

• The same
• Higher
• Lower
• Depends on Situation

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10
All of these are fine wool breeds of sheep except
________.
A

• Debouillet
• Rambouillet
• Delaine-Merino
• Suffolk

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11
All of these are medium wool breeds of sheep
except _________.
A

• Suffolk
• Lincoln
• Hampshire
• Dorset

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12
All of these are coarse wool breeds of sheep
except ________.
A

• Lincoln
• Romney
• Oxford
• Cotswold

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13
All of these breeds can be horned except
_________.
A

• Dorset
• Jacob
• Southdown
• Merino

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14
All of these are dual purpose breeds of sheep
except ________.
A

• Dorset
• Hampshire
• Romney
• Columbia

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15
All of these are considered ram breeds except
___________.
A

• Finnsheep
• Suffolk
• Hampshire
• Shropshire

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16
All of these breeds are considered maternal
breeds except ________.
A

• Corriedale
• Finnsheep
• Hampshire
• Border Leicester

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17
What is the most prolific breed of sheep?
A

• Finnsheep
• Dorset
• Suffolk
• Romney

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18
What breeds were crossed to make a Columbia?
A

• Lincoln rams X Rambouillet ewes
• Rambouillet rams X Suffolk ewes
• Columbia rams X Cheviot ewes
• Hampshire rams X Suffolk Ewes

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19
What breeds were crossed to make a Debouillet?
A

• Delaine Merino and Southdown
• Rambouillet and Lincoln
• Delaine Merino and Rambouillet
• Shropshire and Polypay

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20
Which breeds were crossed to make a Corriedale?
A

• Lincoln and Leicester rams X Merino ewes
• Leicester rams X Dorset ewes
• Rambouillet rams X St. Croix ewes
• Merino and Montadale rams X Lincoln ewes

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21
What breeds were crossed to make a Panama?
A

• Rambouillet rams X Hampshire ewes
• Rambouillet rams X Lincoln ewes
• Rambouillet rams X Cheviot ewes
• Dorper rams X Barbados Blackbelly ewes

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22
What breeds were crossed to make a Targhee?
A

• Lincoln and Rambouillet
• Finnsheep and Cheviot
• Suffolk and Hampshire
• Dorset and Columbia

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23
What breeds were crossed to make a Polypay?
A

• Southdown, Rambouillet, and Suffolk
• Dorset, Finnsheep, Rambouillet, and Targhee
• Dorset, Merino, Romney, and Southdown
• Dorset, Rambouillet, and Katahdin

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24
What breeds were crossed to make a Coopworth?
A

• Corriedale and St. Croix
• Cheviot and Southdown
• Border Leicester and Romney
• Hampshire and Dorset

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25
What breeds were crossed to make a Perendale?
A

• Montadale and Panama
• Cheviot and Lincoln
• Suffolk and Lincoln
• Cheviot and Romney

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26
What breeds were crossed to make a Montadale?
A

• Columbia and Cheviot
• Hampshire and Southdown
• Merino and Dorset
• Columbia and Finnsheep

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27
What breeds of sheep were crossed to make an
Oxford?
A

• Dorper and Shropshire
• Hampshire and Southdown
• Hampshire and Cotswold
• Suffolk and Polypay

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28
What breeds of sheep were crossed to make a
Shropshire?
A

• Southdown, Leicester, and Cotswold
• Southdown, Oxford, and Dorset
• Hampshire, Southdown and Finnsheep
• Romney, Merino, and Romanov

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29
What breeds of sheep were crossed to make a
Suffolk?
A

• Hampshire and Dorset
• Southdown and Norfolk Horn
• Shropshire and Targhee
• Hampshire and Wiltshire Knots

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30
What breeds of sheep were crossed to make a
Hampshire?
A

• Southdown and Shropshire
• Oxford and Suffolk
• Southdown and Wiltshire and Berkshire Knots
• North Country Cheviot and Cotswold

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31
All of these traits are evaluated with EPDs
except ________.
A

• Number Born Alive
• Grease Fleece
• 60 or 90 day weight
• Yield Grade

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32
What is a callipyge gene?
A

• A gene that allows the ewe to produce an above
  average amount of milk.
• A gene that allows a lamb to Baa louder.
• A gene that causes extreme muscularity in lambs.
• A gene that increase the ewes ovulation rate.

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33
A sheep without horns is called?
A

• Non-Horned
• Polled
• Parrot Head
• Bald

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