A man who has pointed ears came to the attention of a geneticist. The geneticist finds the following: Pointy ears are an inherited trait due to a single genetic locus. The man's sister has pointed ears, but his mother, father, his brother, and other sister have normal ears. The man and his normal-eared wife are first cousins and have seven children, including four boys and three girls. Two girls and two boys have pointy ears; the boys with pointy ears are identical twins.
A. Draw the pedigree. Include appropriate symbols and shading for the affected individuals
B. Fill in the genotype of each individual. If the second allele cannot be determined, use a dash.
C. Which one of the following best describes the inheritance of pointy ears in this family?
Autosomal recessive Autosomal dominant Sex-linked
A man who has pointed ears came to the attention of a geneticist. The geneticist finds...
Problem on genetics, Please solve for what is asking for the first and the second pedigree, I have included every single detail that is helpful to the problem Antoine’s narrative: I have a sister who has sickle cell disease. She is not married. Neither my mom nor my dad has the disease. My mother has two brothers and one sister, although one of her brothers passed away when I was very young from complications of sickle cell anemia. Neither my...