Biology Topic Practice

The Risks of Selective Breeding

While selective breeding gives us useful crops and pets, it comes with a significant biological cost.

What is inbreeding?

What is The Risks of Selective Breeding?

"Inbreeding is the production of offspring from the mating or breeding of individuals or organisms that are closely related genetically."

Question 1

What is selective breeding?

Question 2

A mutation changes the order of bases in a gene. What may happen next?

Question 3

Which parent determines the sex of a baby in humans?

Question 4

What is selective breeding?

Downsides of Artificial Selection

Reduces the "gene pool" (genetic diversity) of the population.

Increases the chance of offspring inheriting harmful recessive disorders (Inbreeding).

The whole population is more vulnerable to new diseases.

Exam Tip

Many pedigree dog breeds suffer from specific genetic health problems due to inbreeding.

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