19. Section 1 Check I II III IV 1 2 1 1 1 3 2 2 4 3 Question 1 What does this pedigree tell you about those who show the recessive phenotype for the disease?
20. Section 1 Check I II III IV 1 2 1 1 1 3 2 2 4 3 The pedigree indicates that showing the recessive phenotype for the disease is fatal.
21. Section 1 Check Question 2 What must happen for a person to show a recessive phenotype? Answer The person must inherit a recessive allele for the trait from both parents.
22. Section 1 Check I II III IV 1 2 1 1 1 3 2 2 4 3 Question 3 How many females are in this pedigree?
23. Section 1 Check I II III IV 1 2 1 1 1 3 2 2 4 3 Question 4 How many males are in this pedigree?
24. Section 1 Check I II III IV 1 2 1 1 1 3 2 2 4 3 Question 5 How many affected females are in this pedigree?
25. Section 1 Check I II III IV 1 2 1 1 1 3 2 2 4 3 Question 6 How many affected males are in this pedigree?
26. Section 1 Check I II III IV 1 2 1 1 1 3 2 2 4 3 Question 7 How many carriers are in this pedigree?