Why do We Look Like Our Parents

  • height, eye colour, skin colour referred to as hereditary traits can be inherited from one generation to another.

Definition

Inheritance refers to the transmission of traits from one generation to another #BiologyDefinitions

example of inheritable traits:

  • hair type (straight, wavy curly)
  • earlobe (attached / detached)
  • skin colour (fair / dark)
  • eyelid (single / double)
  • chin (with / without cleft)

Monohybrid Inheritance

Monohybrid Inheritance


Basic Knowledge for Studying Inheritance

Basic Knowledge for Studying Inheritance


How Are ABO Blood Groups Inherited

Inheritance of ABO Blood Groups


Determining Sex

Determining Sex


Variation

Variation


Natural Selection

Natural Selection

Sample

suggest why important to collect seeds from many individual trees of each species rather than just 1 tree.

  1. Increase genetic variation/ genetic diversity of plants
  2. Plants are more adaptable to changes in the environment more resistance to diseases / pest.
  3. seeds collected from one tree may not, be viable / germinate / may be diseased / have parasites / may have harmful, alleles / mutations ;