Genetics Flashcards
1
Q
What is a gene?
A
- Heritable factor that controls or influences a specific characteristic consisting of a length of DNA occupying a particular position on a chromosome
2
Q
What does DNA determine?
A
Physical, behavioural and physiological characteristics
3
Q
What is an allele?
A
Alternative forms of a gene that code for the different variations of a specific trait
4
Q
What is gene mutation?
A
A change in the nucleotide sequence of a section of DNA coding for a specific trait
5
Q
What is a genome?
A
- Totality of genetic information in a cell, organism or organelle
- Cover all coding and non-coding information
