Genes Flashcards
What is an Allele?
Different forms of the same gene
What is a Chromosome?
Long strands of DNA that hold many genes
What is it called when two or more organisms struggle against each other for the same resource?
Competition
What is a molecule that contains genetic information called?
DNA
What is a dominant allele?
The allele that is always expressed if present
What is a recessive allele?
The allele will only be expressed if two copies are present
What is the theory that animals and plants living today are descended from species that existed in the past called?
Evolution
What is a section of DNA that codes for a specific characteristic called?
Gene
What is a gene bank?
A store of genetic samples for research and to prevent extinction
What is inheritance?
Features that are passed from parents to children
What is a random change to the DNA called?
Mutation
What is the evaluation of a scientists work by another scientist called?
Peer Review
