The wild-type color of horned beetles is black, although other colors are known. a black horned beetle from a pure-breeding strain is crossed to a pure-breeding green female beetle. all of their f1 progeny are black. these f1 are allowed to mate at random with one another, and 320 f2 beetles are produced. the f2 consists of 181 black, 120 green, and 19 brown. use these data to explain the genetics of horned beetle color.

i'd think it's paralell

hope this !

answer and explanation;

volcanic rocks are igneous rocks which form from lava, molten rock which has been thrust out of a volcano onto the surface of a rocky body such as an asteroid, planet, or dwarf planet.  

plutonic rocks are igneous rocks which form from subterranean chambers of molten rock or magma. plutonic rocks make up the base of continental crust as well as oceanic crust. their slow rate of formation causes them to be coarse grained since there is plenty of time for large crystals to form before the magma solidifies into rock.

the textural difference is that plutonic rocks are more coarse grained than volcanic rocks. plutonic rocks are coarse grained while volcanic are fine grained ; glassey or fragmental. since fine and coarse are adjectives the decision as to whether a rock is fine or coarse grained is generally made on the bases of whether or not the individual crystals can be seen in most if the rock.