DNA and Traits
This molecule carries genetic information in living things.
What is DNA?
Small inherited differences among members of the same species are called this.
What is variation?
Humans choosing traits in organisms is called this.
What is selective breeding?
Preserved remains or evidence of once-living organisms.
What are fossils?
The study of similarities and differences in body structures between species.
What is comparative anatomy?
A section of DNA found on a chromosome that codes for a trait.
What is a gene?
This process explains how organisms with helpful traits survive and reproduce more.
What is Natural Selection?
Another name for human-controlled selection of traits.
What is artificial selection?
Fossils formed when minerals replace original material use this process.
What is mineralization?
Structures that are similar in structure but different in function.
What are homologous structures?
The shape of DNA is often described as this.
What is a double helix?
This scientist developed the theory of evolution by natural selection.
Who is Charles Darwin?
Changing DNA using biological and chemical methods is called this.
What is genetic engineering?
Determining if one rock layer is older or younger than another is called this.
What is relative-age dating?
Structures with similar function but different structure.
What are analogous structures?
These two nitrogen bases always pair together: A and ____.
What is thymine (T)?
Darwin made many observations on these islands off South America.
What are the Galápagos Islands?
DNA made by combining genes from different organisms is called this.
What is recombinant DNA?
Finding the exact age of rocks using radioactive decay is called this.
What is absolute-age dating?
Body parts that have lost their original function through evolution.
What are vestigial structures?
The process of making a protein from RNA is called this.
What is translation?
An inherited trait that helps an organism survive is called this.
What is an adaptation?
Foods changed by genetic engineering are often called these.
What are GMOs (genetically modified organisms)?
A time when many species die out in a short period is called this.
What is a mass extinction?
The study of DNA and genes that helps prove Theory of Evolution.
What is molecular biology?