A male has an X-linked dominant disorder. Which of his children are expected to inherit the condition?
Show answer and explanation
Correct answer: Only daughters
X-linked dominant disorders are transmitted from affected fathers to all daughters. Sons inherit the Y chromosome and therefore are not affected.
Keep practicing
More Mendelian inheritance questions
- A lethal autosomal dominant mutation reduces survival before reproduction. What is expected in the population?
- A pedigree shows affected individuals in every generation, but some individuals who carry the mutant allele do not express the phenotype. T…
- In codominance, which statement is true?
- A child inherits two different mutant alleles of the same gene, one from each parent, resulting in disease expression. What is this called?
- A woman affected by an autosomal dominant condition has a child with an unaffected man. What is the probability that their child will be un…
- A pedigree shows only males affected, with no male-to-male transmission. This most likely represents: