Geraldine is a healthy 38-year old woman married to a healthy 40-year old man. They had three kids: the eldest is a boy with hemophilia; the second child is a normal girl, while the youngest boy has hemophilia, too. Geraldine had a maternal uncle, who had died in childhood from hemophilia, and a brother who had bleeding problems as a child but was resolved during his adolescence. Is there an obvious pattern in the cases of hemophilia presented in the given situation? Explain your answer in at most five (5) sentences.

PLS ANSWER THIS CORRECTLY...20 points to the person who can answer it.

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

Duchenne muscular dystrophy is a serious condition caused by a recessive allele of a gene on the human x chromosome. the patients have muscles that weaken over time because they have absent or decreased dystrophin, a muscle protein. they rarely live past their twenties. how likely is it for a woman to have this condition? a) women can never have this condition. b) one-fourth of the daughters of an affected man would have this condition. c) one-half of the daughters of an affected father and a carrier mother could have this condition. d) only if a woman is xxx could she have this condition.

Use the phylogenetic tree to the right to determine which statement below is true. organisms a and f are not related. organism e is more closely related to organism b than organism f. organisms c and d are more closely related than organisms a and b. phylogenetic trees