In drosophila, the gene for eye color is located on the X chromosome. The allele for red eyes (R) is dominant over the allele for white eyes (r). A red-eyed fly with the genotype XRXr is crossed with a white-eyed fly with the genotype XrY. What percentage of the male offspring could be born with white eyes?

75%

50%

25%

0%

When a doctor suspects that a patient may have diabetes, she will often have the patient take a glucose challenge test. after the patient drinks a large amount of sugary solution, his blood is drawn and the circulating levels of glucose in the blood are determined. which of the following curves do you expect from a patient with diabetes? a. curve ab. curve bc. curve cd. normal curvee. none of the above