The following pedigree shows the inheritance of a disease due to a completely penetrant sex-linked mutation. Indicate which of the following statements are true. (A) The probability the son indicated by the question mark will have the disease is 1/2. (B) The mutant allele is on the Y chromosome. (C) The mutant allele is recessive and on an autosome. (D) The mutant allele is dominant and on an autosome. (E) The mutant allele is dominant and on the X chromosome. (F) The probability the son indicated by the question mark will have the disease is 1/4. (G) The probability the son indicated by the question mark will have the disease is 1/3. (H) The mutant allele is recessive and on the X chromosome.
The following pedigree shows the inheritance of a disease due to a completely penetrant sex-linked mutation. Indicate which of the following statements are true. (A) The probability the son indicated by the question mark will have the disease is 1/2. (B) The mutant allele is on the Y chromosome. (C) The mutant allele is recessive and on an autosome. (D) The mutant allele is dominant and on an autosome. (E) The mutant allele is dominant and on the X chromosome. (F) The probability the son indicated by the question mark will have the disease is 1/4. (G) The probability the son indicated by the question mark will have the disease is 1/3. (H) The mutant allele is recessive and on the X chromosome.
Chapter14: Human Inheritance
Section: Chapter Questions
Problem 1GP: Does the phenotype indicated by the red circles and squares in this pedigree show an inheritance...
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