Which is determined you parental character ? Describe about the structure.

Explanation

The parental characters are determined by the chromosome. The four important features of the chromosome are :
The shape of the chromosonme is specific : The long, thin, lengthy structured chromosome contains a short, constricted region called centromere.
The number of chromosomes per species is fixed : Example: Mouse has 40 chromosomes, Onion has 16 and Human have 46,
Chromosomes occur in pairs: Chromosomes of a cell occur in pairs, called homologous pairs. Each of a pair come originally from each parent. Example, human has 46 chromosomes, 23 coming originally from each parent in the process of sexual reproduction.