In fruit flies, the dominant V allele produces long wings, whereas the recessive v allele produces vestigial wings - that is, wings reduced in size to the point of being functionless. Assume this is a system of complete dominance. In a cross between two fruit flies that are both heterozygous for the wing length allele, what are the expected genotypes? (0.5 point)

An ecologist is studying the effects that a population of predators is having on a population of a prey. he used data from the field to produce this graph. which conclusion can draw from the graph?

Astudent reads the following text in a science book: scientific evidence tells us that the cause of earths four seasons is the tilt of earth as it revolves around the sound the student is instructed to illustrate this information in a science book. how will the student illustrate winter in the northern hemisphere? a. earths northern hemisphere will tilt away from the sun. b. earths northern hemisphere will tilt toward the sun. c. earths orbit will be farther away than from the sun d. earths southern hemisphere will tilt away from the sun.

18. which statement about cancer is true?