Genetic Inheritance

Question 1

What is genetic inheritance?

Answer 1

Genetic inheritance is a basic principle of genetics and explains how characteristics are passed from one generation to the next.

Question 2

Which part of PIES is genetic inheritance?

Answer 2

Physical

Question 3

What can you genetically inherit?

Answer 3

Physical characteristics and genetic conditions/diseases/disorders

Question 4

What can inherited physical characteristics effect and why?

Answer 4

Characteristics can affect social and emotional wellbeing because they can influence a person’s self concept.

Question 5

What are some examples of genetic conditions/diseases/disorders?

Answer 5

Huntington's disease
Cystic fibrosis
Sickle cell anaemia
Neurofibromatosis (NF1)
Alzheimer's disease
Downs syndrome

Question 6

Why are conditions inherited?

Answer 6

Faulty alleles are passed from one parent (if dominant) or both parents (if recessive).
OR
Whole chromosome abnormalities e.g. when a child inherits an extra chromosome.

Question 7

What are some examples of characteristics you can inherit?

Answer 7

Eye colour, hair colour, height, hair type

Question 8

What is predisposition?

Answer 8

It is an increased likelihood of developing a particular disease based on a person’s genetic makeup.

Question 9

What are the effects of inherited disorders?

Answer 9

Physical health - body systems, growth and mobility.
Intellectual wellbeing - learning, thinking, problem solving and decision making.
Emotional wellbeing - how people feel about themselves.
Social wellbeing - the ability to build relationships.

Question 10

What are the different types of allele?

Answer 10

Dominant and recessive

Question 11

What is a dominant gene?

Answer 11

Need 2 copies of this allele to express the characteristic

Question 12

What is a recessive gene?

Answer 12

Only need 1 of these allele to express the characteristic