What is a gene?
A gene is a section of DNA that codes for a specific protein.
BC
Related Biology GCSE answers
All answers ▸Amy has cystic fibrosis which is caused by a recessive allele. Her partner is heterozygous for cystic fibrosis. What is the chance that her future child has cystic fibrosis?
What is the role of an enzyme?
What is an enzyme?
Tom and Lesley are married and have a child, Sally, who has Cystic Fibrosis. Lesley has just found out she is pregnant, so what is the probability that the baby will have the condition?