Sickle cell anemia a hereditary disease has which type of hemoglobin

Afamily has a y-linked disease that affects the father. what is the chance of a male offspring inheriting the same disease? oa. 100% ob. 50% oc. 25% d. 0%

You see a white marker with an orange circle and black lettering. what does this marker tell you

Which nucleotide component contains nitrogen