Suppose you have monohybrid flowers in your garden and find that they produce black seeds to brown seeds in the ratio of 3:1. If the allele are designated (B & b) receptively, what are the probable genotypes of the black seeds produced by your plants? BB & Bb
BB only
BB & bb
Bb only
bb only

colors do exist. the color of the sky is actually violet; humans percieve the color of the sky as blue.

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