A characteristic of homologous chromosomes is that: A. they carry alleles for the same genes in the same relative positions. B. they regularly exchange parts by crossing over at meiosis. C. they physically pair at meiosis. D. they are found in pairs but they do not physically pair in interphase in a diploid cell. E. all of the above.

it’s lava came from an explosive eruption

if you listed your answers right then i believe your answer is b.

you know that this symptom is misleading and quite often is related to: heart attack

a heart attack is a condition that occurs when the blood flow that transports oxygen to the heart muscle is damaged or cut off completely. the coronary arteries that supply the heart muscle with blood flow can be blocked by the accumulation of plaque. also, when the plaque within the heart artery breaks, it creates blood clot that can also hinder the blood flow. men that are over 45years of age and women that are over 55years of age are at risk of having a heart attack. the symptoms of a heart attack include chest discomfort, chest pain, coughing, and shortness of breath.