Thomas Hunt Morgan, who studied fruit flies, provided the first strong confirmation of the chromosome theory. Morgan discovered a mutation that affected fly eye color. ... Based on the inheritance pattern, Morgan concluded that the eye color gene must be located on the X chromosome.
Answer:
"It lets you see the chemicals being absorbed or emitted by the light source.
Large floral are used in the reproduction in pteridophytes
The asthenosphere is the viscous, mechanically weak and ductilely-deformed part of the upper mantle under the lithosphere (crust).