40 in 2000 US Caucasian newborns have Tay Sachs Disease. T for normal is dominant over t for Tay sachs Disease. a.) What percent of the above population have Tay Sachs Disease (tt or q2)?
b.) Calculate the allelic frequencies of p and q for this example
c.) Now, calculate the genotypic frequencies for the population

Name one similarity and one difference between the morphology of a brachiopod and a bivalve

Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 8 options: the cold balloon expands and rises. the warm balloon shrinks and sinks. the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the warm balloon expands and rises. the cold balloon shrinks and sinks.

10111213141516lactic acid fermentation differs from ethyl alcohol fermentation in thato in ethyl alcohol fermentation co2 is also producedlactic acid fermentation can occur in all living thingsethyl alcohol fermentation can only occur in plantsonly lactic acid fermentation can produce more atp