The hemoglobin B gene (Hb) has a common allele A that is found at a frequency 0.89 and a rare allele T that is found at a frequency of 0.11 in a population from Nigeria. The T allele encodes the sickling form of hemoglobin, HbS.
In a sample of 600 people from this population, how many individuals would you expect to be affected by sickle cell anemia?

Amedication order for 125 micrograms of digoxin in 100 mil liters of normal saline is prescribed to be delivered over 1 hour. you have two 1- milliter ampules containing 599? micrograms. how many milliliter of digoxin injection will be needed?

The pressurized plants and fungi mentioned in the video have some surprising similarities. what differences would you expect them to have?

The table presents the average day and night temperatures in five cities. it also reveals whether a city receives substantial rainfall (wet climate) or little rainfall (dry climate). which city’s rocks are likeliest to experience frost wedging, and why? a) city a because the consistently subzero temperature would prevent water from melting b) city b because it is a wet region and the temperature fluctuates around the freezing point c) city c because it receives plenty of rain fall and the weather is moderately cool d) city d because the hot and dry weather would cause rocks to absorb water