try n open the presentation in office 2010 .Useful for students of class 10 (CBSE)

2.  Traits are defined as any
observable feature of an
organism .
 They may ACQUIRED or INHERITED.

3. An acquired characteristic is a
non-heritable change in function of
living biotic material caused after
birth by disease, injury etc.

4. Tanning of skin , it doesn’t causes any
change in the germ cell of DNA and hence
Is not passed onto next generation.

5. O Inherited traits are those which are
inherited from parents. These usually
include physical traits, including eye color,
height, skin tone, hair color, and
susceptibility to certain diseases like
diabetes.
O DNA is the material responsible for
inherited traits in human beings

6. Some traits are both!
 Skin color is a combination trait:-
 Inherited part: Receive genes for skin color from
parents
 Acquired part: Amount of time in the sun determines
level of tan

7. *Earlobe:-
In some people, the ends of the earlobes are attached to the skin on
the neck while others have detached earlobes.
*Dimples
The presence of dimples has a dominant pattern of inheritance, which means
that offspring will have dimples if they receive dominant alleles from both
parents or inherit a dominant allele from either parent.