Genes and Mutations

Front

What are changes in genetic material called?

Back

Mutations

Front

What is the genetic material found in cells that contain the code of life?

Back

Deoxyribonucleic acid (DNA)

Front

What are strands of DNA that have been tightly coiled?

Back

Chromosomes

Front

What do we call differences in traits that explain why siblings don't look exactly alike?

Back

Variations

Front

How many chromosomes do humans have?

Back

46

Front

What is the basic unit of heredity in living organisms?

Back

Gene

Front

What is a permanent alteration in the DNA sequence that makes up a gene?

Back

Mutation

Front

What is the process by which genetic information is copied from DNA to RNA?

Back

Transcription

Front

What is the molecule that carries amino acids to the ribosome during protein synthesis?

Back

Transfer RNA (tRNA)

Front

What is the term for the observable characteristics of an organism?

Back

Phenotype