a. What inheritance pattern that best describes the pedigree? b. State the reaso

Question

a. What inheritance pattern that best describes the pedigree?

b. State the reasons you ruled out at least three other potential inheritance patterns.

c. List the genotypes present in the above pedigree on the previous page, and list which individuals have these respective genotypes, assuming that your answer in 2.a. is correct.

QUESTION 2. Examine the pedigree below. Assume only 1 gene is involved and it follows the standard Mendelian inheritance pattern. a. What is inheritance pattern that best describes the pedigree? b. State the reasons you ruled out at least three other potential inheritance patterns. c. List the genotypes present in the above pedigree on the previous page, and list which individuals have these respective genotypes, assuming that your answer in 2.a. is correct.

Explanation / Answer

a) Autosomal dominant

b) Autosomal recessive not possible because a cross between diseased and diseased will produce only diseased offspring

Y linked not possible because all father and son should have the disease

X linked dominant not possible because diseased father can

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