Apopulation of 150 individuals has an allele frequency of 0.2 for the dominant allele (h) and a frequency of 0.8 for the recessive allele (h). use the hardy-weinberg equation to determine the frequencies of the three genotypes:
p^2 +2pq+q^2=1

f(hh) = p2 =

f(hh) = 2pq =

f(hh) = q2 =

Aperson with age is more likely to catch diseases that healthy people usually don’t catch.what are these infections called?

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.

4. if a cell is placed inside a solution that has a higher concentration of solute than on the inside of the cell, what can be said about the movement of water? a. water will move out of the cell, causing it to shrivel. b. water will move in and out of the cell at the same rate. c. water will move out of the cell, causing it to swell. d. water will move into the cell, causing it to swell.