Inheritance, Heredity, genes and chromosomes Flashcards
1
Q
DNA
A
deoxyribonucleic acid
- primary carrier of genetic info.
2
Q
Genes
A
coding regions of DNA, contain instructions for building proteins that’s responsible for inherited traits
3
Q
Alleles
A
version of genes that give a trait more then one physical apperance
4
Q
Histones
A
Found in eukaryotes
special proteins that wrap DNA to form a complex
- reduce volume
- protects DNA
5
Q
Chromatin fibres
A
several complexes bundled into coils
apart of a histone
6
Q
Prokayotes
A
archaea and bacteria
- less genetic material
7
Q
Plasmids
A
bacterial chromosome found in rings
8
Q
What is special about Archaea?
A
- circular chromosome
- histone-like proteins
9
Q
Genome
A
complete set of organisms hereditary info