ALLELES

Question 1

What is a dominant allele?
What is a recessive allele?

Answer 1

DO - Only 1 copy is needed to affect the phenotype
RE - 2 copies are needed to affect the phenotype

Question 2

Why is it harder to remove recessive harmful alleles than dominant?

Answer 2

They aren’t always expressed (Recessive)
Dominant alleles are always expressed and easier to
observe
Animals with recessive traits can’t always be stopped from breeding