The Estimated Broad-Sense Heritability for Milk Production in a Herd

question 45

Multiple Choice

The estimated broad-sense heritability for milk production in a herd of dairy cattle is high.Which is a valid inference?

• A)Most of the variation in milk production in the herd is due to additive genetic variance within the herd.
• B)Most of the variation in milk production in the herd is due to dominant genetic variance.
• C)Little of the variation in milk production is due to environmental variation within the herd.
• D)Selective breeding for high milk production in this herd will be effective.
• E)Broad-sense heritability for milk production will be high in most other herds of dairy cattle.

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Definitions:

Averted

Turned away or aside; in the context of gaze or attention, it refers to the deliberate redirection from an object or focus.

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A temporary paralysis or weakness of the facial muscles, often resulting in a drooping appearance on one side of the face.

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A condition where there is loss of muscle function in the mouth, affecting movement and speech.

Raise Eyebrows

A facial expression often used to express surprise, skepticism, or disapproval.