Question

Experiment 5A. 238: Simpson's Pedigree Assignment, Blood Typing. Loo we were de Figure 2. Example of a pedigree including symbol key. (Wikipedia 2014). Construct a pedigree of the Simpson family using the information provided below. I. Family lineage Information a. Homer Simpson married Marge Bouvier i. They have three children, Bart Simpson, Lisa Simpson, and Maggie Simpson, listed in order of birth b. Marge has twin monozygotic sisters: Patty and Selma Bouvier c. Selma is married to Sideshow Bob; Patty is not married i. Selma has an adopted daughter named Ling d. Homer has a brother named Herb e. Marge's parents are Clancy Bouvier and Jacqueline Guerney f. Homer's parents are Abe Simpson and Mona Olsen II. Phenotypic condition(s) a. Marge Simpson is the proband. She developed blue hair at age 20, a condition lacking in either of her sisters, Patty and Selma. b. Her father, Clancy Bouvier, also developed the condition at age 20, although it was not noticeable as he got older since he went prematurely bald early in life. c. Marge's mother phenotypically showed normal wt hair color. d. The condition has never appeared in neither males nor females on Homer's side of the family nor is it phenotypically present in Selma's husband. c. Suppose that like his mother, Bart Simpson develops the blue hair condition at age 20 f. Neither of Bart' sisters develop blue hair at age 20. g. What does this pattern suggest for inheritance? h. Was it by a sheer quirk of fate that Bart developed blue hair? 1 With what probability did his condition appear?

Answer 1

Abe Mona Taqueline Clancy aa on Herb Ś C Homer Marge A selma saa aa Aa 11 adopted ? Ling Maggie 1 aa | AA, A4-оры it o in every generation = dominant laa=nonual Đú malis ve females - autosomal (1) Bart developed the trail by it was on his mother, Not by fate, by transmission genetics, transmitted from - mother to son. (i) probability of trait u guen pedigree = 50% aax Aa = I Aa I na

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