Biology, 24.07.2019 22:30 ElegantEmerald
Astudent crosses two pea plants. in this species, the allele for axial flowers is dominant to the allele for terminal flowers. one of the plants that the student uses in the cross is homozygous dominant for axial flowers. the other is heterozygous, which means that it has one allele for axial flowers and one allele for terminal flowers. if the student examines 200 offspring pea plants from this cross, which of the following is a reasonable result? a. 47 with axial flowers, 153 with terminal flowers b. 149 with axial flowers, 51 with terminal flowers c. 98 with axial flowers, 102 with terminal flowers d. 200 with axial flowers, 0 with terminal flowers
Answers: 1
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The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?
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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.
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