Why are there many different cell types in the human body if they all contain identical dna?

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.

Select the word from the list that best fits the definition a system made of 25 satellites

Explain why ecosystem diversity results in species diversity in a healthy biosphere