Genetic Variation Flashcards
1
Q
How does sexual reproduction influence variation
A
When gametes fuse, one of each pair of alleles comes from each parent
2
Q
Each genes have different forms called…
A
Alleles
3
Q
What is a dominant allele
What is a recessive allele
A
Controls the development of characteristics with only need of one type of allele
Needs two of the same alleles to gain that characteristic
4
Q
What are chromosomes made up of
A
Large molecules of DNA which has a double helix structure
5
Q
What is a gene
A
Section of DNA
6
Q
What is the exception of not having a completely unique DNA
A
Identical twins
