Genes & Chromosones Flashcards
1
Q
Mitosis
A
- Cell duplicates itself
- Two cells are formed, each with the same DNA as original cell
- 23 pairs
2
Q
Zygote
A
Single cell formed through fertilization
3
Q
Identical twin
A
Monozygotic
Single zygote splits into two, same DNA
4
Q
Fraternal twins
A
Dizygotic
Separate eggs and separate sperm ( 2 of each)
5
Q
Genotype
A
All of a persons genetic makeup
6
Q
Phenotype
A
Observable and measurable characteristics , physical and psychological
7
Q
Dominant
A
One gene in a pair that always exerts it’s effects, overriding the other
8
Q
Recessive
A
Gene that exerts it’s influences when both in a pair are recessive
