Genetics Flashcards
1
Q
species
A
group of similar organisms that are capable of breeding to produce fertile offspring
2
Q
variation
A
differences that exist between members of the same species
3
Q
inherited characteristics
A
characteristics controlled by genes
4
Q
non-inherited characteristics
A
Characteristics that are developed, e.g. ability to speak a language
5
Q
Chromosones
A
thread-like structures of DNA found in the nucleus
6
Q
DNA
A
Contains genetic info
7
Q
Gene
A
A small section of DNA that controls genetic characteristics
8
Q
Dominant gene
A
Controls characteristics + prevents recessive gene from working
9
Q
Recessive gene
A
Only shows it’s effect if they have 2 copies of the gene
10
Q
Genetic disorder
A
An abnormality in a person’s genes caused by inherited genetic diseases or mutation
11
Q
Mutation
A
Change in the structure of DNA
