Galactosemia is an inherited metabolic disorder. In a specific human population, approximately 1 in every 80 alleles for the GALT gene is the mutated allele that causes galactosemia.
Explain why only one person in 6400 in this population is born with galactosemia.
76 exam-style questions on AQA GCSE Biology 6.1 Reproduction, covering 6.1.1 Sexual and asexual reproduction, 6.1.2 Meiosis, 6.1.3 Advantages and disadvantages of sexual and asexual reproduction, 6.1.4 DNA and the genome, 6.1.5 DNA structure, 6.1.6 Genetic inheritance, 6.1.7 Inherited disorders, and 6.1.8 Sex determination. Each one has a worked solution and a mark scheme showing where the marks go.