Cystic fibrosis is a genetic disorder caused by recessive alleles. Complete a Punnet square to show the inheritance of cystic fibrosis when both parents are carriers. State the probability of that a child born to these parents will have cystic fibrosis.

Punnet Square: to be shown on whiteboard. Percentage probability of inheritance: 25%

Answered by Jake R. Biology tutor

1954 Views

See similar Biology GCSE tutors

Related Biology GCSE answers

All answers ▸

Explain the adaptations of cacti to their environment


How do humans have heart attacks?


Before a drug is sold and released to the public, what measures must scientists take to ensure the safety of a drug and why are these steps taken?


Explain why the rate of reaction slows down above the enzyme's optimum temperature.


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences