Zusammenfassung der Ressource
GCSE Science - B1 - Inheritance and
Genetic Diagrams
- Punnett Squares
- diagram on the right shows all the
possibilities of genotypes the offspring may
have
- each allele the mother and father have are
written in one square each
- pairing them up them tells you the possibilities and the
chance of each one
- 25% chance of the offspring having cystic fibrosis
- This is because the F is more dominant than the f. There is
only 1/4 ff so there is a 25% chance of a child having CF