B5.1.1 - Variation Flashcards
What is a phenotype?
The appearance of an organism
What is variation?
The differences within a species
What are the 2 types of variation?
Genetic and environmental variation
Give an example of environmental variation in humans.
Speaking a different native language
Give an example of genetic variation in humans.
Skin colour
What is continuous variation?
Variation of a characteristic that can be anything within a maximum and minimum
What is discontinuous variation?
Variation of a characteristic that must be discrete
Can there be a form of discontinuous environmental variation?
No
How many genes can result in continuous variation?
Many
How many genes can result in discontinuous variation?
1 or 2
Give an example of continuous variation in humans.
Height
Give an example of discontinuous variation in humans.
Gender
