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.

Human Anatomy & Physiology (11th Edition)
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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.
Transcribed Image Text: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.
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