In fruit flies red eyes are dominant to white eyes and is a sex-linked trait. Complete the following cross on scratch paper. What is the probable outcome of their offspring?
X'y x XRX?

Select the correct answer from each drop-down menu. in an experiment, dr. travis examined the effects of calcium intake on osteoporosis, a condition that causes an increased risk of bone fractures. the amount of calcium is variable. the risk of bone fractures .

The finches on the galapagos island were similar in form except for variations of their beaks. darwin observed that these variations were useful for: attracting a mate defending territory building nests gathering food

What is the difference between a meteoroid and a meteor?