Reason for differences between right and left part of body measurements

answer; i believe that the correct answer is ; males are hemizygous for the x chromosome;

igneous rocks are formed by solidification of cooled magma (molten rock), with or without crystallization, either below the surface as intrusive (plutonic) rocks or on the surface as extrusive (volcanic) rocks.  

the composition depends on the source magma. there are almost a thousand types of composition found till now.  

hope this

some inherited genetic mutations can be good for the offspring, so the answer is different genetic mutations cause many forms of cancer.