6.2 Variation Flashcards
1
Q
Where does variation occur?
A
within members of a species
2
Q
What causes variation?
A
the genes that an organism has
3
Q
What is discrete variation?
A
clear cut differences
divide species into two or more distinct groups
4
Q
What is continuous variation?
A
varies in a smooth and continuous way
does not fall into distinct groups
5
Q
What type of variation do most characteristics show?
A
continuous
6
Q
What does polygenic mean?
A
more than one gene involved
7
Q
What is a species?
A
a group of organisms which interbreed to produce fertile offspring