Polydactyly is an inherited disorder that causes extra fingers or toes. It is caused by a dominant allele (PPP). The recessive allele (ppp) represents having a normal number of digits.
A father with genotype PpPpPp and a mother with genotype pppppp plan to have a child.
What scientific term describes the genotype of the mother?
What is the percentage chance that their child will inherit polydactyly?
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.