Biology Formative Assessment - Higher - Selective breeding Q1.
Many different types of animals are produced using selective breeding.
Some cats are selectively bred so that they do not cause allergies in people.
Many people have breathing problems because they are allergic to cats
The allergy is caused by a chemical called Fel D1
Different cats produce different amounts of Fel D1
A cat has been bred so that it does not produce FelD1.
The cat does not cause an allergic reaction.
Explain how the cat has been produced using selective breeding and describe any
disadvantages from selective breeding the cat in this way