If a male fly hemizygous for the recessive x-linked white mutation (w) is mated to a female fly heterozygous for white, and the phenotypically white f1 are intercrossed, which will be true:
a. half of both the f2 males and females are red
b. all of the f2 are red all of the f2 males are red, all of the f2 females are white
c. all of the f2 are white
d. all of the f2 males are white, all of the f2 females are red

Plz ! cattle ranchers and dairy farmers rarely allow all of their animals to reproduce instead they practice selective breeding and only encourage the reproduction of animals with specific features. which of the following cows would a dairy farm most likely choose to reproduce? a. a cow that makes a lot of milk. b. a cow that can run quickly. c. a cow with a think, soft fur. d. a cow with large, strong hooves.

Two students are working together on an experiment that measures the effect of different liquid fertilizers on the thickness of plants’ stems. which is most likely to result in the greatest amount of error in their scientific experiment? a.one student measures the plant stem widths by using calipers. the other student measures the widths of the same plant stems again by using a different pair of calipers. b.one student measures the plant stem widths by using calipers. the other student types the measurements as they are taken into a computer spreadsheet. c.one student weighs liquids for the experiment by using a calibrated scale. the other student weighs liquids for the experiment by using a different calibrated scale.

In the ocean why are the greatest amount of primary producers found in the epipelagic zone and how does that affect biodiversity