KROK 1 2009 – Question 23 · KROK (Medicine) · Biology
A married couple consulted a specialist at the genetic consultation about probability of having children with hemophilia. Both spouses are healthy, but the wife’s father has hemophilia. In this family hemophilia may be passed to:
- A. Half of sons
- B. Both sons and daughters
- C. All the children
- D. Half of daughters
- E. Daughters only
Hint
Work out the genotype of the healthy wife from her father's disease, then follow which X chromosome each son and daughter can receive.
The answer, the explanation and a note on every option are available once you log in. The account is free: topic tests, a mock exam, mistake review and statistics.
More questions on Biology
- A female patient consulted a physician about digestive disorder, extended abdominal pain. Examination revealed drastic decrease in hemoglobin…
- In the perianal folds of a 5-year-old girl her mother has found some white "worms" that caused itch and anxiety in the child. The "worms" were sent…
- Medical examination at the military registration and enlistment office revealed that a 15-year-old boy was high, with eunuchoid body proportions…
- During a prophylactic medical examination a 7-year-old boy was diagnosed with daltonism. His parents are healthy and have normal colour vision, but…
- A woman delivered a dead child with multiple developmental defects. What protozoan disease might have caused the intrauterine death?
- A patient consulted an urologist about pain during urination. Analysis of his urine taken in the daytime revealed eggs with a characteristic sharp…