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
Answered by Vishal P. Biology tutor

4055 Views

See similar Biology GCSE tutors

Related Biology GCSE answers

All answers ▸

I don't understand the difference between aerobic and anaerobic respiration


Which are veins and which are arteries?


Why is the heart known as a double pump?


Why does glucose pass into the kidney but red blood cells and protein do not?


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences