DNA is called the "blueprint of life" because 1. it has a blue color
2. it codes all our traits
3. it can relay messages to other molecules

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.

How many chromosomes are in a gold fish?

Which sequence correctly shows the path of carbon dioxide during repiration?