Heredity REVIEW TEST

Who do you get your inherited traits from?

• Your brother

• Your parents

• Your sister

• Nobody

Which of the following is a genotype

• Aa

• Brown hair

• Freckles

• Attached earlobes

• All except Aa

Which of the following is a phenotype?

• Aa

• Brown hair

• Freckles

• Attached earlobes

• All except Aa

Which of the following is a homozygous pair of alleles?

• bb

• Bb

• Brown hair

• Blond hair

Instructions for an inherited trait are called what?

• Alleles

• Phenotype

• Genes

• Heredity

What is the appearance of a characteristic called?

• Cell

• Trait

• Chromosomes

• genotype

What is the connection between chromosomes and DNA?

• DNA is made out of chromosomes

• They are located in different parts of the cell.

• Chromosomes are made up of DNA

• They are the same thing

Humans have how many chromosomes found in each cell?

• 23 Chromosomes

• 23 pairs

• 43 Chromosomes

• 46 pairs

What else affects how you will grow and develop?

• What music you listen to

• Your environment and what you eat

• How other people act towards you

• What you read

A double helix appears to look like what?

• A twisted ladder

• A straight road

• Two spheres

• Two “X”