DNA Flashcards
Define heredity
Genetic information is passed from one generation to the next, and it is also why people resemble their parents
Describe a DNA molecule
2 Strands
The strands are twisted around each other to form a double helix
The strands are held together by bonds between base pairs
Where is DNA found?
In chromosomes, which is in a cell, in an organism
Define gene
Section of DNA that is responsible for a characteristic in an organism.
Define species
Group of similar organisms that can breed with one another to produce fertile offspring.
Define base pair
The pair of nitrogenous bases that connects the complementary strands of DNA
Define bond
The chemical link that holds molecules together
Define chromosome
The structure made of DNA that codes for all the characteristics of an organism
Define DNA
Deoxyribonucleic acid. The material inside the nucleus of cells, carrying the genetic information of a living being
Define double helix
The shape of the DNA molecule with 2 strands twisted together in a spiral