Robin holds a handful of damp soil in her hand. she rubs some of the soil between her fingers. the soil feels very soft and a lot like flour. it is not sticky. her soil is most likely

In fruit flies, gray bodies (g) are dominant over black bodies (g), and brown pigments (n) are dominant over yellow pigments (n). each individual possesses two alleles for each trait. if a fly that is homozygous dominant for both traits is crossed with a fly that is homozygous recessive for both traits, what is the predicted genotype of the offspring.

Which experiment would most likely contain experimental bias ?

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks