Biology Warm-Up

What is the term for a similarity due to shared common ancestry?

• Vestigial structure

• Molecular structure

• Homologous structure

• Analogous structure

Which of the following is not a piece of evidence for evolution?

• Biogeography

• Genetic drift

• Fossil record

• Natural selection

What is the term for a structure inherited from an ancestor but has lost all or most of its function?

• Vestigial structure

• Homologous structure

• Molecular structure

• Analogous structure

If the dominant trait is having freckles (F) and the recessive trait is no freckles (f), which allele combination(s) below would represent a person who has freckles? (select all that apply)

• FF

• Ff

• ff

What is the phenotype of the offspring? (A-Brown hair; a-blond hair) 

• 50 % Brown Hair and 50% Blond Hair 
• 25 % Brown Hair and 75% Blond Hair 
• 75 % Brown Hair and 25% Blond Hair 
• 0% Brown Hair and 100% Blond Hair