Building Blocks Of Life 1 Flashcards
0
Q
What is the phenotype?
A
The gene interacting with the environment.
1
Q
What is the genotype?
A
The combination of alleles in a gene.
2
Q
What is penetrance?
A
The proportion of individuals carrying the variant of a gene who express the trait.
3
Q
How was DNA found to be hereditary?
A
Experiments with pneumococcus. Strains differ in their ability to have a capsule and thus their virulence. R ( non virulent) was grown in the presence of s and found to then be virulent. Fractionated of s showed DNA.
4
Q
What are nucleosomes?
A
Spherical bodies formed by coils of chromatin. Link to form fibres.
