Variation Between 11.4

What two factors affect your appearance?

• Clothing and style

• Genes and environment

• Diet and exercise

• Age and health

What is inherited variation?

• Variation due to lifestyle choices

• Variation determined by genes

• Variation caused by exercise

• Variation caused by diet

How many sets of genes do each parent contribute?

• One set

• Two sets

• Three sets

• Four sets

What is the term for characteristics affected by both genes and the environment?

• Genetic variation

• Random variation

• Environmental variation

• Inherited variation

What can affect your body mass?

• What you eat

• Your genes only

• Your environment only

• Your age

What is a characteristic that can be inherited?

• Friendship

• Favorite color

• Height

• Hobbies

What is the role of the fertilized egg?

• To create identical twins

• To contain a new combination of genes

• To determine your environment

• To select genes randomly

Which of the following is NOT a characteristic determined by genes?

• Eye color

• Blood group

• Muscle strength

• Height

What is the main reason siblings may look similar?

• They eat the same food

• They inherit a random selection of genes

• They have the same hobbies

• They share the same environment

What can cause environmental variation?

• Identical twins

• Inherited traits

• Different diets

• Genetic mutations