Analyzing Pedigrees
Name _________________________________ Period ___________ Date _________________
Use the pedigrees to answer the following items.
1. Is sickle cell anemia a dominant, recessive, or sex-linked trait? Provide a specific
example from the pedigree that justifies your response.
Sickle cell anemia is Recessive because the trait skips generations.
2. Is the allele for sickle cell anemia found on an autosome or sex chromosome?
Support your answer by providing evidence from the pedigree.
Its found on a autosome because it affects both sexes with equal frequency.
3. Identify the relationship between individual A and H.
They both have sickle cell anemia and A is the father of H (female). A (father) gave the trait of
sickle cell anemia to H.
4. Identify the individuals that have sickle cell anemia.
Im pretty sure the ones that are grey have sickle cell anemia.
5. Identify the known carriers for sickle cell anemia.
So that means that A, D, F, H, M, S, and V are carriers for sickle cell anemia.