defination of 
phenotypeˈfiːnə(ʊ)tʌɪp/nounBIOLOGYthe set of observable characteristics of an individual resulting from the interaction of its genotype with the environment.
2 5 2
2014-09-16T20:06:08+05:30 f1 generation we can clearly observe that 75% are yellow seed producing pea plants and 25% are green ones.this is known as phenotype
PURE LINE...plants that expresses a selected character over several generations are known as pure line
ALLELE....the pair of factors which are responsible for a character is called allele
EXPRESSSES CHARACTER....dominant traits are those that are expressed or seeen when a heterozyguous just genotype is present