NEW Edexcel Biology AS A level Inheritance Inherited Diseases Cystic Fibrosis Genetic Screening

Covers the following spec points from the new (2015) Edexcel A level Biology course.

2.13 i) Know the meaning of the terms: gene, allele, genotype, phenotype, recessive, dominant, incomplete dominance, homozygote and heterozygote.
ii) Understand patterns of inheritance, including the interpretation of genetic pedigree diagrams, in the context of monohybrid inheritance.
2.14 Understand how the expression of a gene mutation in people with cystic fibrosis impairs the functioning of the gaseous exchange, digestive and reproductive systems.
2.15 i) Understand the uses of genetic screening, including the identification of carriers, pre-implantation genetic diagnosis (PGD) and prenatal testing, including amniocentesis and chorionic villus sampling.
ii) Understand the implications of prenatal genetic screening.
2.16 Be able to identify and discuss the social and ethical issues related to genetic screening from a range of ethical viewpoints.