Epigenetics

The complete instructions for making an organism, consisting of all the genetic material in that organism's chromosomes.

• Epigenome

• DNA

• genome

• genetic markers

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

The study of the inherited changes in gene expression that occur without a change in gene sequence and influence how an organism's genes express themselves.

• bionomics

• genomics

• genetics

• epigenetics

Protein molecules around which DNA is tightly coiled

• histones

• casein

• nucleosome

• chromosome

A chemical modification of DNA that does not affect the nucleotide sequence of a gene but makes that gene less likely to be expressed.

• activators

• methylation

• acetylation

• proteins

Epigenetics refers to changes in:

• DNA sequence

• Gene structure

• Gene expression

• DNA frequency

Every body cell with a nucleus has a copy of every gene

• True

• False

All genes are expressed in every cell

• True

• False

Tags

NGSS.HS-LS1-4

Which factor can affect the epigenome?

• Diet

• Exercise

• Stress

• All of them

True or False: Epigenetic changes are permanent.

• True

• False

True or False: Epigenetic changes can be passed on to future generations.

• True

• False