2.4 Humanist, Cognitive, Evolutionary

Question 1

Epigentics

Answer 1

Chemical tags on DNA that have ability to turn genes on and off.

Question 2

Transgenerational Epigenetic Inheritance

Answer 2

Passing epigenetic marks through generations.

Question 3

Neocortex

Answer 3

Part of the brain responsible for handling sight, hearing, conscious decision-making and language.

Question 4

Methylation

Answer 4

Attaching small molecules called methyl groups (one carbon atom and three hydrogen atoms) to DNA nucleotides or the amino acids that make up histone proteins.

Question 5

Euchromatic

Answer 5

Open chromosomal region. Allows for access of RNA polymerase & other proteins to bind to the promoter region.

Question 6

Heterochromatin

Answer 6

Configuration that doesn’t allow RNA polymerase/proteins to transcript. (Turns off transcription).

Question 7

Acetylation

Answer 7

Histone tails can be modified by addition of acetyl group. (2 carbon molecules)

Question 8

Genotype vs Phenotype

Answer 8

Genotype is set of genes an organism carries. Phenotype is set of observable characteristics (which are influenced by genotype and environment. (Ie flamingos eat food that makes them pink but their genotype is white.)