Genetics Vocab

Multiple Choice

Why is it important to understand genetic vocabulary when studying heredity and traits?

• It helps us understand how traits are passed from parents to offspring.

• It allows us to predict the weather.

• It helps us learn about ancient civilizations.

• It is only useful for doctors.

Multiple Choice

Which of the following best describes the relationship between chromosomes and genes?

• Genes are made up of chromosomes.

• Chromosomes are made up of genes.

• Genes and chromosomes are unrelated.

• Chromosomes and genes are the same thing.

Multiple Select

Which of the following are examples of traits?

• Eye color

• Blood type

• Genotype

• Dimples

Fill in the Blank

A dominant trait is usually written with a ___ letter.

Multiple Choice

What must be true for a recessive trait to show up in an organism?

• At least one dominant allele must be present.

• Two dominant alleles must be present.

• Two recessive alleles must be present.

• One recessive and one dominant allele must be present.

Fill in the Blank

An allele is a different form of a ___.

Fill in the Blank

Phenotype refers to how a trait is ___.

Multiple Choice

Which of the following best describes a heterozygous genotype?

• Having two identical alleles for a trait (e.g., BB)

• Having two different alleles for a trait (e.g., Bb)

• Having no alleles for a trait

• Having three alleles for a trait