This student is holding a model of the human brain.
What are two benefits of this model?

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.

What feature of cell theory is best demonstrated in the image

How do the sperm cells get from the stigma to the ovules?