genetic variation Flashcards
0
Q
What is a phenotype
A
Genotype + environment = phenotype
1
Q
What is genetic variation?
A
The variation in genes and alleles (genotype) within a population
2
Q
What is variation?
A
With the exception of identical twins, no two people are genetically identical
3
Q
What is variation the result of?
A
Two different processes; 1)mutation 2) sexual reproduction
4
Q
What is mutation?
A
A permanent change in the genetic material (DNA) of an organism
5
Q
What is somatic mutation?
A
It occurs in body cells. Not passed onto the offspring
6
Q
What is genetic mutation?
A
It occurs in gametes (sperm and eggs). Maybe passed onto offspring