2. HEREDITY
• THE TRANSMSSION OF CHRACTERS FROM ONE
GENRATION TO ANOTHER CONSTITUTE THE
HEREDITY.
• IN SIMPLE TERMS THE HERIDITY IS THE
CONTINUITY OF CHRACTERS FROM ONE
GENRTION TO THE NEXT..
• THE HEREDITRY INFORMATION IS PRESENT IN
THE SEX CELLS . THUS GAMETES CONSTITUTES
LINK BETWEEN GENRATION TO GENRATION AND
PASS ON THE PARENTAL AND THE MATERNAL
CHRACTER OR TRAITS TO THE OFFSPRING.
3. VARIATION
• THE DIFFRENCE IN THE CHRACTERS AMONG
THE INDIVIDUALS OF THE SPEICES IS CALLED
VARIATION.
• EXAMPLE: HUMAN HEIGHT IS TRAIT WHICH
SHOWS THE VARIATION . SOME PEOPLE ARE
VERY TALL SOME HAVE MEDUIM HEIGHT ,
SOME HAVE SHORT HEIGHT WHERE AS
OTHERS ARE VERY SHORT.