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Question 4

Which of these is a case of selective breeding?


To increase the production of milk in a herd of milk cows, the highest producing cows were chosen as the mothers.


Over time, more milk cows at the diary farm began to produce larger amounts of milk.


A gene was identified that increased milk production. This gene was added to calves in the womb.


The genome of a group of cows was analyzed to identify the gene for milk production.

Respuesta :

"To increase the production of milk in a herd of milk cows, the highest producing cows were chosen as the mothers." is selective breeding because they selectively chose which cows to breed.

Answer:

The correct answer would be the first option.

Selective breeding is the process by which humans select and interbreed specific breeds of plants or animals in order to produce the offspring with the desired trait.

For example, for high milk yield, the cows with the highest milk production are selected and interbreed to produce offspring with high milk yield.

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