DNA Structure & Function Name
who discovered double-helix structure of DNA
James Watson and Francis Crick
What is a gene, and how does it determine traits?
A gene is the basic physical and functional unit of heredity
How long ago did the ancestors of modern humans separate from Neanderthals?
approximately 500,000 to over 800,000 years ago
What are the four nitrogen bases, and how do they pair (A-T, G-C)
T A C G
What is a mutation, and what are its potential effects?
A mutation is a permanent change in the DNA sequence of an organism, acting as a driver of genetic variation
How can DNA trace the migration paths of ancient humans?
DNA traces ancient human migration by analyzing mutations in mitochondrial DNA (mtDNA) and Y-chromosomes,
What are the repeating units of DNA called?
The repeating units of DNA are called nucleotides
How do cells turn genes "on" or "off" to specialize, given that all cells have the same DNA?
by using gene regulation
How much of our DNA is shared with other organisms
Chimpanzees/Bonobos