Which meaning does in- have in the word intron?

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.

2points what is the term for a female reproductive cell? a. egg b. chromatid c. allele d. fertilization

What factors contribute to the effect an environmental toxin has on the human body?