In lemmings, gray (G) fur is dominant over white (g). There is a second gene called color (C), and individuals must have at least one dominant C allele for gray color to be expressed. You obtain a white lemming that is heterozygous for gray fur color. What is its genotype?

Achild is suffering from fever but the doctor cannot immediately pinpoint the alignment on the basis of this one symptom explain why also mention other two such general symptoms

Genetic disorders can result when sister chromatids fail to seperate properly. during what phase is this problem most likely to occur?

Ihave no idea how to solve these. plus there's another question that is 2) a 10 kilogram meteorite is collected in space and brought back to earth. it is composed of 1.25 kg of uranium-238 and 8.75 kg of lead-206. how many u-238 half lives have passed? what is the approximate age of the meteorite?