Janice has cystic fibrosis. Cystic fibrosis is caused by a recessive allele (f). What is the probability of her baby having cystic fibrosis? The baby’s father is heterozygous for cystic fibrosis.
Answer = 50% chance of developing cystic fibrosis
VP
Related Biology GCSE answers
All answers ▸What is a synapse and how is information transmitted across it?
Discuss the advantages and disadvantages of using biofuels in the UK (4).
Explain, with the use of a punnet square, heterozygous inheritance.
How does the human body's respiratory system enable the rapid exchange of gases between oxygen and CO2?