What is adolesence ? when does it occur, what are the changes that occur in adolescence

Adolesence is the period following puberty where one develops from a child to an adult. They changes that occur are involved with puberty and include growth of sexual organs, menstruation, and an assortment of chemical changes in the brain. It typically occurs from age 9 throughout the teenage years.

sorry, but you do not have posted the diagram.

an organism's phenotype is the  form of a trait  that it  displays. for  flowercolor, a pea  plant  can  display  a phenotype of purple or white flowers. an organism's  genotype  is the alleles of a gene it contains. based on his data, mendel concluded that a phenotype can be  determined  by more than one  genotype.