Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
3 Cards in this Set
- Front
- Back
Continuous variation |
This is where the phenotypes of organisms do not fall into distinct classes. E.g height |
|
Discontinuous variation |
Characteristics in organisms fit into distinct forms |
|
Causes of variation |
-mutations -crossing over (prophase 1 meiosis) -random assortment of pairs of homologous chromosomes (metaphase 1 meiosis ) -random mating between individuals in a species. -random fusion of gametes at fertilization. -environmental factors |