7D. Nature vs Nurture

Question 1

Proportionate inheritance

Answer 1

the effect of environment and other genes on inheritance of traits such as height.

Question 2

When environment affects phenotype

Answer 2

It won’t affect the expression of the gene but influences the result of the expression.

Question 3

Epigenetics is important in…

Answer 3

Cell differentiation and organisms adapting to their environment

Question 4

DNA methylation

Answer 4

small methyl groups are added to sequences of DNA to stop the transcription process

Question 5

Histone modification

Answer 5

histone modifying enzymes join to methyl groups and modify how tightly DNA is wrapped

Question 6

Two steps of expression process

Answer 6

transcription and translation

Question 7

Transcription

Answer 7

DNA is copied into mRNA in nucleus

Question 8

Transcription

Answer 8

mRNA copy is read by the ribosome

Question 9

Role of epigenetics

Answer 9

turns expressions on or off to affect the phenotype rather than affecting visual characteristics.