Genetics

What is the study of heredity called?

• Genetics

• Biology

• Ecology

• Anatomy

Which of the following is an example of a heritable characteristic?

• Skin color

• Tanned skin

• Dyed hair

• Acquired skills

What type of variation refers to traits that have a defined form?

• Discrete variation

• Continuous variation

• Environmental variation

• Genetic variation

Which of the following is an example of a non-heritable characteristic?

• Freckles (if genetic)

• Eye color

• Dyed hair

• Hair color

What does "nurture" refer to in the context of nature versus nurture?

• Genetic advantage

• Inherited traits

• Time, effort, and care put into advancing a skill

• Environmental factors

What are the four chemicals called that make up the steps of the DNA ladder?

• Proteins

• Lipids

• Nucleotides

• Carbohydrates

Match the base pairs.

Cytosine pairs with

(a)   .

Thymine pairs with ​ (b)  

• Guanine
• Uracil

• Adenine

What is the function of an allele?

• Stores energy

• Provides information for a trait

• Transports oxygen

• Breaks down nutrients

What is genetics?

• The study of heredity

• The study of cells

• The study of ecosystems

• The study of anatomy

A (a)   represents a generalized feature.

A ​ (b)   represents a specific feature.

Hair colour is a ​ (c)   and brown hair or blonde hair are the ​ (d)  

• characteristic
• trait
• trait.
• Genotype
• Phenotype