In general, the frequency with which crossing over occurs between two linked genes depends on what? a. how far apart they are on the chromosomeb. the characters the genes code forc. whether the genes are dominant or recessived. whether the genes are on the x or some other chromosomee. the phase of meiosis in which the crossing over occurs

how far apart they are on the chromosome

b.

hoped i

explanation:

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.