biological approach - genetics and behaviour

Question 1

define heredity

Answer 1

• passing of characteristics from one generation to the next through genes.
• Genes carry the instructions for a particular characteristic but how this characteristic develop partly depends on
  the interaction of the gene with other genes and how they interact with the
  environment (nature vs nurture debate).

Question 2

define genotype

Answer 2

• genetic make-up inherited from parents.

For instance, a person may have genes that code for being tall.

Question 3

define phenotype

Answer 3

• physical appearance and observable characteristics and behavior that depend on genes and environment.
• For example, height may be reduced by a child’s diet or by illness.