What does recessive allele mean?

What does dominant allele mean?

What does carrier mean?

What type of condition is cystic fibrosis?

What does cystic fibrosis affect?

What is cystic fibrosis caused by?

What does cystic fibrosis cause?

What can cystic fibrosis cause?

Do both parents need to have cystic fibrosis for the child to have it?

How many parents must have the cystic fibrosis allele for the offspring to have it?

Why must both parents have the cystic fibrosis allele for the child to have it?

Why can offspring have cystic fibrosis without the parents having it?

Why can parents carry the cystic fibrosis allele without having cystic fibrosis?

If both parents are carriers, what is the chance of the child having cystic fibrosis?

If one parent is a carrier and the other has cystic fibrosis, what is the chance of the child having cystic fibrosis?

If one parent has cystic fibrosis and the other has no cystic fibrosis allele, what is the chance of the child having cystic fibrosis?

What type of disease is Huntington’s disease?

What is Huntington’s disease?

What type of cells does Huntington’s disease damage?

How is the recessive allele shown for Huntington’s disease?

How is the dominant allele shown for Huntington’s disease?

What combination of alleles will be needed for Huntington’s disease to be present?

What combination of alleles will be needed for Huntington’s disease to be present?

What is Down syndrome?

What type of disease is Down syndrome?

What is Down syndrome caused by?