Thomas’s biological mother and father are both gifted athletes. he was adopted by a couple who had no interest in him being involved in sports. although thomas likely inherited athletic ability, it was never expressed in his alleles phenotype genotype genes

phenotype

Explanation: phenotype is the expression of a particular gene.

Phenotypic expression can be masked by the effect of some environmental factor while some under favourable condition manifest themselves. For Thomas not to have expressed the genes despite the fact that he might have inherited it means his environment ( the adopted parent who have no interest in athlete) is playing a key role in supressing the expression of the traits. Until he finds an enabling environment the traits cannot find expression.

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.