In the fruit fly Drosophila melanogaster, eye color is influ…

In the fruit fly Drosophila melanogaster, eye color is influenced by an X-linked gene.  Also, females are XX and males are XY for sex chromosomes.  The alleles for eye color work as follows: XR = dominant; red eyesXr = recessive; white eyesY = Y chromosome; male, no eye color gene on this chromosomeYou examine a vial of 100 flies that are all offspring from a single genetic cross. You find both red-eyed males and white-eyed males but only red-eyed females.  The genotypes of the parents were apparently:

You decide to prepare for your physics test by looking for p…

You decide to prepare for your physics test by looking for physics concepts in your everyday life. One morning, you realize that your cereal is exerting a torque on your spoon as you eat breakfast, and you decide to estimate its value. You estimate that your spoonful of cereal and milk has a mass of about 13 grams, and that your spoon is 18 cm long. The torque on the spoon due to the cereal and milk, in x10-2 m·N, is then about