Lesson 3: Diversity in organisms Flashcards
(6 cards)
1
Q
What is the biological species concept?
A
A species is a group of organisms that can interbreed to produce fertile offspring.
2
Q
What are the challenges of the biological species concept?
A
Asexual organisms (e.g. bacteria)
Fertile hybrids (e.g. wholphins)
Extinct species
Horizontal gene transfer
3
Q
What is the binomial naming system?
A
A universal two-part Latin name: Genus species.
4
Q
What is a karyogram?
A
An image of an individual’s chromosomes arranged in homologous pairs.
5
Q
What is a genome?
A
All the genetic information in an organism, including coding and non-coding DNA.
6
Q
What is a SNP (Single Nucleotide Polymorphism)?
A
A small DNA variation where a single base is different between individuals.
