Codominance occurs when:
a) both of the alleles in a heterozygote are expressed phenotypically in an individual.
b) expression of two different alleles alternates from one generation to the next.
c) a heterozygote expresses an intermediate phenotype.
d) offspring exhibit several different phenotypic expressions of a single trait.

phaneritic textures in which phaner means visible so phaneritic textures are standard of impertinent volcanic rocks. these rocks crystallized gradually under the surface of earth. when the magma cools deliberately then the ores have chance to develop and produce long crystals.

plato users:

d.  

there was a variety of food available on island x, but there were only large seeds and nuts on island y.