Front

What is a segment of DNA that codes for a trait?

Back

Gene

Front

What are chromosomes made of?

Back

DNA

Front

In a Punnett square, if T = tall and t = short, what is the genotype of the offspring with two recessive alleles?

Back

tt

Front

What do we call the alleles that an organism has or inherits?

Back

Genotype

Front

Why is DNA important?

Back

It carries the instructions for our cells.

Front

What is the physical expression of a trait called?

Back

Phenotype

Front

What is the term for different forms of a gene?

Back

Alleles

Front

What is the process by which DNA is copied to make more DNA?

Back

Replication

Front

What is the term for a cell's complete set of chromosomes?

Back

Karyotype

Front

What is the difference between dominant and recessive alleles?

Back

Dominant alleles express their trait even if only one copy is present, while recessive alleles require two copies to express their trait.