Researchers found that specific combinations of serotonin transporter alleles affected how students reacted to being bullied. students with the ss alleles had the strongest reaction, those with the ll alleles the mildest reaction, and those with the heterozygous sl alleles reacted somewhere in between. what do these results suggest?
a. the l and s alleles do not have a strict dominant? recessive relationship.
b. the s allele is the dominant allele.
c. the s allele is the recessive allele.
d. the l allele is the dominant allele.

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.