Monohybrid cross of F1 plants
In pea plants, spherical seeds (S) are dominant to
dented seeds (s). In a genetic cross of two plants that
are heterozygous for the seed shape trait, what
fraction of the offspring should have spherſcal seeds?
Ss
Spherical
х
Ss
Spherical
A. None
B. 1/4
C. 1/2
D. 3/4
E. All

Your friend offers to show you an intrusive igneous rock. which of the following would you expect to see?

Consider the following system at equilibrium. caco3(s) ca2+(aq) + co32–(aq) the addition of which compound will cause a shift in equilibrium because of a common ion effect? ccl4 co2 cuso4 na2co3

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? a. the balloons both rise. the cold balloon is larger than the warm balloon. b. the balloons rise at the same rate. both balloons are the same size. c. the warm balloon expands and rises. the cold balloon shrinks and sinks. d. the cold balloon expands and rises. the warm balloon shrinks and sinks.